Home / 852,877.38-1,176,961.73-465,691.58

Finding the Fourth Proportional to 852,877.38, 1,176,961.73 and 465,691.58

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Solution

The fourth proportional to 852,877.38, 1,176,961.73 and 465,691.58 is: 642,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,877.38 : 1,176,961.73 = 465,691.58 : x
  2. Step 2: Convert to fraction form
    852,877.38/1,176,961.73 = 465,691.58/x
  3. Step 3: Cross multiply
    852,877.38x = 1,176,961.73 × 465,691.58
  4. Step 4: Simplify right side
    852,877.38x = 548,101,165,808.23
  5. Step 5: Solve for x
    x = 548,101,165,808.23/852,877.38
  6. Step 6: Final answer
    x = 642,649.44

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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.