Home / 748,997.49-1,033,542.27-426,688.38

Finding the Fourth Proportional to 748,997.49, 1,033,542.27 and 426,688.38

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Solution

The fourth proportional to 748,997.49, 1,033,542.27 and 426,688.38 is: 588,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,997.49 : 1,033,542.27 = 426,688.38 : x
  2. Step 2: Convert to fraction form
    748,997.49/1,033,542.27 = 426,688.38/x
  3. Step 3: Cross multiply
    748,997.49x = 1,033,542.27 × 426,688.38
  4. Step 4: Simplify right side
    748,997.49x = 441,000,476,847.82
  5. Step 5: Solve for x
    x = 441,000,476,847.82/748,997.49
  6. Step 6: Final answer
    x = 588,787.66

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.