Home / 1,281,100.80-1,767,888-708,126.24

Finding the Fourth Proportional to 1,281,100.80, 1,767,888 and 708,126.24

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Solution

The fourth proportional to 1,281,100.80, 1,767,888 and 708,126.24 is: 977,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,100.80 : 1,767,888 = 708,126.24 : x
  2. Step 2: Convert to fraction form
    1,281,100.80/1,767,888 = 708,126.24/x
  3. Step 3: Cross multiply
    1,281,100.80x = 1,767,888 × 708,126.24
  4. Step 4: Simplify right side
    1,281,100.80x = 1,251,887,882,181.12
  5. Step 5: Solve for x
    x = 1,251,887,882,181.12/1,281,100.80
  6. Step 6: Final answer
    x = 977,197.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.