Home / 863,659.40-1,192,404.66-541,810.76

Finding the Fourth Proportional to 863,659.40, 1,192,404.66 and 541,810.76

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Solution

The fourth proportional to 863,659.40, 1,192,404.66 and 541,810.76 is: 748,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,659.40 : 1,192,404.66 = 541,810.76 : x
  2. Step 2: Convert to fraction form
    863,659.40/1,192,404.66 = 541,810.76/x
  3. Step 3: Cross multiply
    863,659.40x = 1,192,404.66 × 541,810.76
  4. Step 4: Simplify right side
    863,659.40x = 646,057,675,062.14
  5. Step 5: Solve for x
    x = 646,057,675,062.14/863,659.40
  6. Step 6: Final answer
    x = 748,046.83

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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.