Home / 624,468.06-861,781.68-382,883.85

Finding the Fourth Proportional to 624,468.06, 861,781.68 and 382,883.85

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Solution

The fourth proportional to 624,468.06, 861,781.68 and 382,883.85 is: 528,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,468.06 : 861,781.68 = 382,883.85 : x
  2. Step 2: Convert to fraction form
    624,468.06/861,781.68 = 382,883.85/x
  3. Step 3: Cross multiply
    624,468.06x = 861,781.68 × 382,883.85
  4. Step 4: Simplify right side
    624,468.06x = 329,962,287,497.87
  5. Step 5: Solve for x
    x = 329,962,287,497.87/624,468.06
  6. Step 6: Final answer
    x = 528,389.37

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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.