Home / 415,972.77-574,041.92-224,985.71

Finding the Fourth Proportional to 415,972.77, 574,041.92 and 224,985.71

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Solution

The fourth proportional to 415,972.77, 574,041.92 and 224,985.71 is: 310,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,972.77 : 574,041.92 = 224,985.71 : x
  2. Step 2: Convert to fraction form
    415,972.77/574,041.92 = 224,985.71/x
  3. Step 3: Cross multiply
    415,972.77x = 574,041.92 × 224,985.71
  4. Step 4: Simplify right side
    415,972.77x = 129,151,228,940.96
  5. Step 5: Solve for x
    x = 129,151,228,940.96/415,972.77
  6. Step 6: Final answer
    x = 310,480.01

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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.