Home / 723,427.17-998,376.02-417,516.45

Finding the Fourth Proportional to 723,427.17, 998,376.02 and 417,516.45

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Solution

The fourth proportional to 723,427.17, 998,376.02 and 417,516.45 is: 576,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,427.17 : 998,376.02 = 417,516.45 : x
  2. Step 2: Convert to fraction form
    723,427.17/998,376.02 = 417,516.45/x
  3. Step 3: Cross multiply
    723,427.17x = 998,376.02 × 417,516.45
  4. Step 4: Simplify right side
    723,427.17x = 416,838,411,635.53
  5. Step 5: Solve for x
    x = 416,838,411,635.53/723,427.17
  6. Step 6: Final answer
    x = 576,199.55

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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.