Home / 947,329.89-1,307,324.45-517,609.98

Finding the Fourth Proportional to 947,329.89, 1,307,324.45 and 517,609.98

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Solution

The fourth proportional to 947,329.89, 1,307,324.45 and 517,609.98 is: 714,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,329.89 : 1,307,324.45 = 517,609.98 : x
  2. Step 2: Convert to fraction form
    947,329.89/1,307,324.45 = 517,609.98/x
  3. Step 3: Cross multiply
    947,329.89x = 1,307,324.45 × 517,609.98
  4. Step 4: Simplify right side
    947,329.89x = 676,684,182,418.01
  5. Step 5: Solve for x
    x = 676,684,182,418.01/947,329.89
  6. Step 6: Final answer
    x = 714,306.80

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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.