Home / 865,887.15-1,194,961.17-483,913.92

Finding the Fourth Proportional to 865,887.15, 1,194,961.17 and 483,913.92

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Solution

The fourth proportional to 865,887.15, 1,194,961.17 and 483,913.92 is: 667,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,887.15 : 1,194,961.17 = 483,913.92 : x
  2. Step 2: Convert to fraction form
    865,887.15/1,194,961.17 = 483,913.92/x
  3. Step 3: Cross multiply
    865,887.15x = 1,194,961.17 × 483,913.92
  4. Step 4: Simplify right side
    865,887.15x = 578,258,344,022.49
  5. Step 5: Solve for x
    x = 578,258,344,022.49/865,887.15
  6. Step 6: Final answer
    x = 667,821.83

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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.