Home / 947,046.49-1,306,902.67-517,328.53

Finding the Fourth Proportional to 947,046.49, 1,306,902.67 and 517,328.53

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Solution

The fourth proportional to 947,046.49, 1,306,902.67 and 517,328.53 is: 713,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,046.49 : 1,306,902.67 = 517,328.53 : x
  2. Step 2: Convert to fraction form
    947,046.49/1,306,902.67 = 517,328.53/x
  3. Step 3: Cross multiply
    947,046.49x = 1,306,902.67 × 517,328.53
  4. Step 4: Simplify right side
    947,046.49x = 676,098,037,124.18
  5. Step 5: Solve for x
    x = 676,098,037,124.18/947,046.49
  6. Step 6: Final answer
    x = 713,901.63

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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.