Home / 415,436.28-573,301.20-224,449.08

Finding the Fourth Proportional to 415,436.28, 573,301.20 and 224,449.08

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Solution

The fourth proportional to 415,436.28, 573,301.20 and 224,449.08 is: 309,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,436.28 : 573,301.20 = 224,449.08 : x
  2. Step 2: Convert to fraction form
    415,436.28/573,301.20 = 224,449.08/x
  3. Step 3: Cross multiply
    415,436.28x = 573,301.20 × 224,449.08
  4. Step 4: Simplify right side
    415,436.28x = 128,676,926,902.90
  5. Step 5: Solve for x
    x = 128,676,926,902.90/415,436.28
  6. Step 6: Final answer
    x = 309,739.26

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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.