Home / 415,439.06-573,306.20-224,452.40

Finding the Fourth Proportional to 415,439.06, 573,306.20 and 224,452.40

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Solution

The fourth proportional to 415,439.06, 573,306.20 and 224,452.40 is: 309,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,439.06 : 573,306.20 = 224,452.40 : x
  2. Step 2: Convert to fraction form
    415,439.06/573,306.20 = 224,452.40/x
  3. Step 3: Cross multiply
    415,439.06x = 573,306.20 × 224,452.40
  4. Step 4: Simplify right side
    415,439.06x = 128,679,948,536.09
  5. Step 5: Solve for x
    x = 128,679,948,536.09/415,439.06
  6. Step 6: Final answer
    x = 309,744.47

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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.