Home / 624,468.98-861,788.06-382,704.83

Finding the Fourth Proportional to 624,468.98, 861,788.06 and 382,704.83

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Solution

The fourth proportional to 624,468.98, 861,788.06 and 382,704.83 is: 528,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,468.98 : 861,788.06 = 382,704.83 : x
  2. Step 2: Convert to fraction form
    624,468.98/861,788.06 = 382,704.83/x
  3. Step 3: Cross multiply
    624,468.98x = 861,788.06 × 382,704.83
  4. Step 4: Simplify right side
    624,468.98x = 329,810,452,998.33
  5. Step 5: Solve for x
    x = 329,810,452,998.33/624,468.98
  6. Step 6: Final answer
    x = 528,145.45

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Double scale
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1.5x scale

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.