Home / 656,892.20-985,727.10-432,900.20

Finding the Fourth Proportional to 656,892.20, 985,727.10 and 432,900.20

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Solution

The fourth proportional to 656,892.20, 985,727.10 and 432,900.20 is: 649,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,892.20 : 985,727.10 = 432,900.20 : x
  2. Step 2: Convert to fraction form
    656,892.20/985,727.10 = 432,900.20/x
  3. Step 3: Cross multiply
    656,892.20x = 985,727.10 × 432,900.20
  4. Step 4: Simplify right side
    656,892.20x = 426,721,458,735.42
  5. Step 5: Solve for x
    x = 426,721,458,735.42/656,892.20
  6. Step 6: Final answer
    x = 649,606.52

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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.