Home / 842,377.11-1,162,346.01-479,808.04

Finding the Fourth Proportional to 842,377.11, 1,162,346.01 and 479,808.04

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Solution

The fourth proportional to 842,377.11, 1,162,346.01 and 479,808.04 is: 662,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,377.11 : 1,162,346.01 = 479,808.04 : x
  2. Step 2: Convert to fraction form
    842,377.11/1,162,346.01 = 479,808.04/x
  3. Step 3: Cross multiply
    842,377.11x = 1,162,346.01 × 479,808.04
  4. Step 4: Simplify right side
    842,377.11x = 557,702,960,859.92
  5. Step 5: Solve for x
    x = 557,702,960,859.92/842,377.11
  6. Step 6: Final answer
    x = 662,058.54

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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.