Home / 584,747.40-877,121.10-579,217.80

Finding the Fourth Proportional to 584,747.40, 877,121.10 and 579,217.80

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Solution

The fourth proportional to 584,747.40, 877,121.10 and 579,217.80 is: 868,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,747.40 : 877,121.10 = 579,217.80 : x
  2. Step 2: Convert to fraction form
    584,747.40/877,121.10 = 579,217.80/x
  3. Step 3: Cross multiply
    584,747.40x = 877,121.10 × 579,217.80
  4. Step 4: Simplify right side
    584,747.40x = 508,044,153,875.58
  5. Step 5: Solve for x
    x = 508,044,153,875.58/584,747.40
  6. Step 6: Final answer
    x = 868,826.70

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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.