Home / 447,070.29-616,961.13-243,123.15

Finding the Fourth Proportional to 447,070.29, 616,961.13 and 243,123.15

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Solution

The fourth proportional to 447,070.29, 616,961.13 and 243,123.15 is: 335,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,070.29 : 616,961.13 = 243,123.15 : x
  2. Step 2: Convert to fraction form
    447,070.29/616,961.13 = 243,123.15/x
  3. Step 3: Cross multiply
    447,070.29x = 616,961.13 × 243,123.15
  4. Step 4: Simplify right side
    447,070.29x = 149,997,533,353.16
  5. Step 5: Solve for x
    x = 149,997,533,353.16/447,070.29
  6. Step 6: Final answer
    x = 335,512.19

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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.