Home / 828,654.18-1,143,531.45-466,077.93

Finding the Fourth Proportional to 828,654.18, 1,143,531.45 and 466,077.93

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Solution

The fourth proportional to 828,654.18, 1,143,531.45 and 466,077.93 is: 643,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,654.18 : 1,143,531.45 = 466,077.93 : x
  2. Step 2: Convert to fraction form
    828,654.18/1,143,531.45 = 466,077.93/x
  3. Step 3: Cross multiply
    828,654.18x = 1,143,531.45 × 466,077.93
  4. Step 4: Simplify right side
    828,654.18x = 532,974,771,105.90
  5. Step 5: Solve for x
    x = 532,974,771,105.90/828,654.18
  6. Step 6: Final answer
    x = 643,181.18

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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.