Home / 460,136.20-690,204.30-433,892.20

Finding the Fourth Proportional to 460,136.20, 690,204.30 and 433,892.20

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Solution

The fourth proportional to 460,136.20, 690,204.30 and 433,892.20 is: 650,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,136.20 : 690,204.30 = 433,892.20 : x
  2. Step 2: Convert to fraction form
    460,136.20/690,204.30 = 433,892.20/x
  3. Step 3: Cross multiply
    460,136.20x = 690,204.30 × 433,892.20
  4. Step 4: Simplify right side
    460,136.20x = 299,474,262,176.46
  5. Step 5: Solve for x
    x = 299,474,262,176.46/460,136.20
  6. Step 6: Final answer
    x = 650,838.30

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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.