Home / 552,865.13-763,189.29-371,682.15

Finding the Fourth Proportional to 552,865.13, 763,189.29 and 371,682.15

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Solution

The fourth proportional to 552,865.13, 763,189.29 and 371,682.15 is: 513,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,865.13 : 763,189.29 = 371,682.15 : x
  2. Step 2: Convert to fraction form
    552,865.13/763,189.29 = 371,682.15/x
  3. Step 3: Cross multiply
    552,865.13x = 763,189.29 × 371,682.15
  4. Step 4: Simplify right side
    552,865.13x = 283,663,836,164.17
  5. Step 5: Solve for x
    x = 283,663,836,164.17/552,865.13
  6. Step 6: Final answer
    x = 513,079.63

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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.