Home / 898,136.20-1,347,204.30-886,326.40

Finding the Fourth Proportional to 898,136.20, 1,347,204.30 and 886,326.40

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Solution

The fourth proportional to 898,136.20, 1,347,204.30 and 886,326.40 is: 1,329,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,136.20 : 1,347,204.30 = 886,326.40 : x
  2. Step 2: Convert to fraction form
    898,136.20/1,347,204.30 = 886,326.40/x
  3. Step 3: Cross multiply
    898,136.20x = 1,347,204.30 × 886,326.40
  4. Step 4: Simplify right side
    898,136.20x = 1,194,062,737,283.52
  5. Step 5: Solve for x
    x = 1,194,062,737,283.52/898,136.20
  6. Step 6: Final answer
    x = 1,329,489.60

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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.