Home / 1,209,808.58-1,814,712.84-499,855.01

Finding the Fourth Proportional to 1,209,808.58, 1,814,712.84 and 499,855.01

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Solution

The fourth proportional to 1,209,808.58, 1,814,712.84 and 499,855.01 is: 749,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,808.58 : 1,814,712.84 = 499,855.01 : x
  2. Step 2: Convert to fraction form
    1,209,808.58/1,814,712.84 = 499,855.01/x
  3. Step 3: Cross multiply
    1,209,808.58x = 1,814,712.84 × 499,855.01
  4. Step 4: Simplify right side
    1,209,808.58x = 907,093,295,711.76
  5. Step 5: Solve for x
    x = 907,093,295,711.76/1,209,808.58
  6. Step 6: Final answer
    x = 749,782.50

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Half scale
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Double scale
Find fourth proportional to 1,209,809.58, 1,814,714.34 and 499,856.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.