Home / 947,350.89-1,307,353.37-517,630.97

Finding the Fourth Proportional to 947,350.89, 1,307,353.37 and 517,630.97

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Solution

The fourth proportional to 947,350.89, 1,307,353.37 and 517,630.97 is: 714,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,350.89 : 1,307,353.37 = 517,630.97 : x
  2. Step 2: Convert to fraction form
    947,350.89/1,307,353.37 = 517,630.97/x
  3. Step 3: Cross multiply
    947,350.89x = 1,307,353.37 × 517,630.97
  4. Step 4: Simplify right side
    947,350.89x = 676,726,593,726.10
  5. Step 5: Solve for x
    x = 676,726,593,726.10/947,350.89
  6. Step 6: Final answer
    x = 714,335.73

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Double scale
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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.