Home / 676,042.38-932,938.76-370,138.59

Finding the Fourth Proportional to 676,042.38, 932,938.76 and 370,138.59

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Solution

The fourth proportional to 676,042.38, 932,938.76 and 370,138.59 is: 510,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,042.38 : 932,938.76 = 370,138.59 : x
  2. Step 2: Convert to fraction form
    676,042.38/932,938.76 = 370,138.59/x
  3. Step 3: Cross multiply
    676,042.38x = 932,938.76 × 370,138.59
  4. Step 4: Simplify right side
    676,042.38x = 345,316,638,108.10
  5. Step 5: Solve for x
    x = 345,316,638,108.10/676,042.38
  6. Step 6: Final answer
    x = 510,791.41

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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.