Home / 579,219.40-868,829.10-527,897.80

Finding the Fourth Proportional to 579,219.40, 868,829.10 and 527,897.80

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Solution

The fourth proportional to 579,219.40, 868,829.10 and 527,897.80 is: 791,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,219.40 : 868,829.10 = 527,897.80 : x
  2. Step 2: Convert to fraction form
    579,219.40/868,829.10 = 527,897.80/x
  3. Step 3: Cross multiply
    579,219.40x = 868,829.10 × 527,897.80
  4. Step 4: Simplify right side
    579,219.40x = 458,652,970,465.98
  5. Step 5: Solve for x
    x = 458,652,970,465.98/579,219.40
  6. Step 6: Final answer
    x = 791,846.70

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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.