Home / 579,272.40-868,908.60-527,950.80

Finding the Fourth Proportional to 579,272.40, 868,908.60 and 527,950.80

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Solution

The fourth proportional to 579,272.40, 868,908.60 and 527,950.80 is: 791,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,272.40 : 868,908.60 = 527,950.80 : x
  2. Step 2: Convert to fraction form
    579,272.40/868,908.60 = 527,950.80/x
  3. Step 3: Cross multiply
    579,272.40x = 868,908.60 × 527,950.80
  4. Step 4: Simplify right side
    579,272.40x = 458,740,990,496.88
  5. Step 5: Solve for x
    x = 458,740,990,496.88/579,272.40
  6. Step 6: Final answer
    x = 791,926.20

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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.