Home / 863,654.40-1,192,397.76-541,805.76

Finding the Fourth Proportional to 863,654.40, 1,192,397.76 and 541,805.76

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Solution

The fourth proportional to 863,654.40, 1,192,397.76 and 541,805.76 is: 748,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,654.40 : 1,192,397.76 = 541,805.76 : x
  2. Step 2: Convert to fraction form
    863,654.40/1,192,397.76 = 541,805.76/x
  3. Step 3: Cross multiply
    863,654.40x = 1,192,397.76 × 541,805.76
  4. Step 4: Simplify right side
    863,654.40x = 646,047,974,579.10
  5. Step 5: Solve for x
    x = 646,047,974,579.10/863,654.40
  6. Step 6: Final answer
    x = 748,039.93

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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.