Home / 352,706.15-486,402.94-272,005.85

Finding the Fourth Proportional to 352,706.15, 486,402.94 and 272,005.85

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Solution

The fourth proportional to 352,706.15, 486,402.94 and 272,005.85 is: 375,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,706.15 : 486,402.94 = 272,005.85 : x
  2. Step 2: Convert to fraction form
    352,706.15/486,402.94 = 272,005.85/x
  3. Step 3: Cross multiply
    352,706.15x = 486,402.94 × 272,005.85
  4. Step 4: Simplify right side
    352,706.15x = 132,304,446,693.21
  5. Step 5: Solve for x
    x = 132,304,446,693.21/352,706.15
  6. Step 6: Final answer
    x = 375,112.39

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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.