Home / 886,861.80-1,330,292.70-532,276.20

Finding the Fourth Proportional to 886,861.80, 1,330,292.70 and 532,276.20

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Solution

The fourth proportional to 886,861.80, 1,330,292.70 and 532,276.20 is: 798,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,861.80 : 1,330,292.70 = 532,276.20 : x
  2. Step 2: Convert to fraction form
    886,861.80/1,330,292.70 = 532,276.20/x
  3. Step 3: Cross multiply
    886,861.80x = 1,330,292.70 × 532,276.20
  4. Step 4: Simplify right side
    886,861.80x = 708,083,143,243.74
  5. Step 5: Solve for x
    x = 708,083,143,243.74/886,861.80
  6. Step 6: Final answer
    x = 798,414.30

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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.