Home / 955,240.80-1,432,861.20-636,376.20

Finding the Fourth Proportional to 955,240.80, 1,432,861.20 and 636,376.20

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Solution

The fourth proportional to 955,240.80, 1,432,861.20 and 636,376.20 is: 954,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,240.80 : 1,432,861.20 = 636,376.20 : x
  2. Step 2: Convert to fraction form
    955,240.80/1,432,861.20 = 636,376.20/x
  3. Step 3: Cross multiply
    955,240.80x = 1,432,861.20 × 636,376.20
  4. Step 4: Simplify right side
    955,240.80x = 911,838,765,583.44
  5. Step 5: Solve for x
    x = 911,838,765,583.44/955,240.80
  6. Step 6: Final answer
    x = 954,564.30

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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.