Home / 808,327.80-1,211,714.10-628,313.40

Finding the Fourth Proportional to 808,327.80, 1,211,714.10 and 628,313.40

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Solution

The fourth proportional to 808,327.80, 1,211,714.10 and 628,313.40 is: 941,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,327.80 : 1,211,714.10 = 628,313.40 : x
  2. Step 2: Convert to fraction form
    808,327.80/1,211,714.10 = 628,313.40/x
  3. Step 3: Cross multiply
    808,327.80x = 1,211,714.10 × 628,313.40
  4. Step 4: Simplify right side
    808,327.80x = 761,336,205,998.94
  5. Step 5: Solve for x
    x = 761,336,205,998.94/808,327.80
  6. Step 6: Final answer
    x = 941,865.67

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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.