Home / 1,170,423.20-1,755,634.80-371,785.48

Finding the Fourth Proportional to 1,170,423.20, 1,755,634.80 and 371,785.48

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Solution

The fourth proportional to 1,170,423.20, 1,755,634.80 and 371,785.48 is: 557,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,423.20 : 1,755,634.80 = 371,785.48 : x
  2. Step 2: Convert to fraction form
    1,170,423.20/1,755,634.80 = 371,785.48/x
  3. Step 3: Cross multiply
    1,170,423.20x = 1,755,634.80 × 371,785.48
  4. Step 4: Simplify right side
    1,170,423.20x = 652,719,526,822.70
  5. Step 5: Solve for x
    x = 652,719,526,822.70/1,170,423.20
  6. Step 6: Final answer
    x = 557,678.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.