Home / 886,763.60-1,330,145.40-531,594.80

Finding the Fourth Proportional to 886,763.60, 1,330,145.40 and 531,594.80

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Solution

The fourth proportional to 886,763.60, 1,330,145.40 and 531,594.80 is: 797,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,763.60 : 1,330,145.40 = 531,594.80 : x
  2. Step 2: Convert to fraction form
    886,763.60/1,330,145.40 = 531,594.80/x
  3. Step 3: Cross multiply
    886,763.60x = 1,330,145.40 × 531,594.80
  4. Step 4: Simplify right side
    886,763.60x = 707,098,377,883.92
  5. Step 5: Solve for x
    x = 707,098,377,883.92/886,763.60
  6. Step 6: Final answer
    x = 797,392.20

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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.