Home / 502,261.17-693,127.87-272,822.93

Finding the Fourth Proportional to 502,261.17, 693,127.87 and 272,822.93

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Solution

The fourth proportional to 502,261.17, 693,127.87 and 272,822.93 is: 376,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,261.17 : 693,127.87 = 272,822.93 : x
  2. Step 2: Convert to fraction form
    502,261.17/693,127.87 = 272,822.93/x
  3. Step 3: Cross multiply
    502,261.17x = 693,127.87 × 272,822.93
  4. Step 4: Simplify right side
    502,261.17x = 189,101,174,809.59
  5. Step 5: Solve for x
    x = 189,101,174,809.59/502,261.17
  6. Step 6: Final answer
    x = 376,499.69

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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.