Home / 891,239.31-1,229,901.87-483,350.15

Finding the Fourth Proportional to 891,239.31, 1,229,901.87 and 483,350.15

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Solution

The fourth proportional to 891,239.31, 1,229,901.87 and 483,350.15 is: 667,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,239.31 : 1,229,901.87 = 483,350.15 : x
  2. Step 2: Convert to fraction form
    891,239.31/1,229,901.87 = 483,350.15/x
  3. Step 3: Cross multiply
    891,239.31x = 1,229,901.87 × 483,350.15
  4. Step 4: Simplify right side
    891,239.31x = 594,473,253,349.78
  5. Step 5: Solve for x
    x = 594,473,253,349.78/891,239.31
  6. Step 6: Final answer
    x = 667,018.66

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Double scale
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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.