Home / 487,324.04-731,110.73-187,724.16

Finding the Fourth Proportional to 487,324.04, 731,110.73 and 187,724.16

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Solution

The fourth proportional to 487,324.04, 731,110.73 and 187,724.16 is: 281,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,324.04 : 731,110.73 = 187,724.16 : x
  2. Step 2: Convert to fraction form
    487,324.04/731,110.73 = 187,724.16/x
  3. Step 3: Cross multiply
    487,324.04x = 731,110.73 × 187,724.16
  4. Step 4: Simplify right side
    487,324.04x = 137,247,146,717.62
  5. Step 5: Solve for x
    x = 137,247,146,717.62/487,324.04
  6. Step 6: Final answer
    x = 281,634.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.