Home / 1,172,543.76-1,617,974.19-656,326.41

Finding the Fourth Proportional to 1,172,543.76, 1,617,974.19 and 656,326.41

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Solution

The fourth proportional to 1,172,543.76, 1,617,974.19 and 656,326.41 is: 905,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,543.76 : 1,617,974.19 = 656,326.41 : x
  2. Step 2: Convert to fraction form
    1,172,543.76/1,617,974.19 = 656,326.41/x
  3. Step 3: Cross multiply
    1,172,543.76x = 1,617,974.19 × 656,326.41
  4. Step 4: Simplify right side
    1,172,543.76x = 1,061,919,191,595.36
  5. Step 5: Solve for x
    x = 1,061,919,191,595.36/1,172,543.76
  6. Step 6: Final answer
    x = 905,654.21

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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.