Home / 621,261.47-930,526.22-513,423.23

Finding the Fourth Proportional to 621,261.47, 930,526.22 and 513,423.23

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Solution

The fourth proportional to 621,261.47, 930,526.22 and 513,423.23 is: 769,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,261.47 : 930,526.22 = 513,423.23 : x
  2. Step 2: Convert to fraction form
    621,261.47/930,526.22 = 513,423.23/x
  3. Step 3: Cross multiply
    621,261.47x = 930,526.22 × 513,423.23
  4. Step 4: Simplify right side
    621,261.47x = 477,753,770,252.34
  5. Step 5: Solve for x
    x = 477,753,770,252.34/621,261.47
  6. Step 6: Final answer
    x = 769,005.96

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Double scale
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Similar ratio
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1.5x scale

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.