Home / 865,890.72-1,194,966.11-483,917.49

Finding the Fourth Proportional to 865,890.72, 1,194,966.11 and 483,917.49

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Solution

The fourth proportional to 865,890.72, 1,194,966.11 and 483,917.49 is: 667,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,890.72 : 1,194,966.11 = 483,917.49 : x
  2. Step 2: Convert to fraction form
    865,890.72/1,194,966.11 = 483,917.49/x
  3. Step 3: Cross multiply
    865,890.72x = 1,194,966.11 × 483,917.49
  4. Step 4: Simplify right side
    865,890.72x = 578,265,001,796.06
  5. Step 5: Solve for x
    x = 578,265,001,796.06/865,890.72
  6. Step 6: Final answer
    x = 667,826.77

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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.