Home / 865,864.33-1,194,945.83-483,921.61

Finding the Fourth Proportional to 865,864.33, 1,194,945.83 and 483,921.61

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Solution

The fourth proportional to 865,864.33, 1,194,945.83 and 483,921.61 is: 667,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,864.33 : 1,194,945.83 = 483,921.61 : x
  2. Step 2: Convert to fraction form
    865,864.33/1,194,945.83 = 483,921.61/x
  3. Step 3: Cross multiply
    865,864.33x = 1,194,945.83 × 483,921.61
  4. Step 4: Simplify right side
    865,864.33x = 578,260,109,916.39
  5. Step 5: Solve for x
    x = 578,260,109,916.39/865,864.33
  6. Step 6: Final answer
    x = 667,841.47

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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.