Home / 597,377.35-896,517.11-407,387.20

Finding the Fourth Proportional to 597,377.35, 896,517.11 and 407,387.20

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Solution

The fourth proportional to 597,377.35, 896,517.11 and 407,387.20 is: 611,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,377.35 : 896,517.11 = 407,387.20 : x
  2. Step 2: Convert to fraction form
    597,377.35/896,517.11 = 407,387.20/x
  3. Step 3: Cross multiply
    597,377.35x = 896,517.11 × 407,387.20
  4. Step 4: Simplify right side
    597,377.35x = 365,229,588,675.47
  5. Step 5: Solve for x
    x = 365,229,588,675.47/597,377.35
  6. Step 6: Final answer
    x = 611,388.41

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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.