Home / 1,155,118.04-1,732,042.82-356,177.78

Finding the Fourth Proportional to 1,155,118.04, 1,732,042.82 and 356,177.78

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Solution

The fourth proportional to 1,155,118.04, 1,732,042.82 and 356,177.78 is: 534,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,118.04 : 1,732,042.82 = 356,177.78 : x
  2. Step 2: Convert to fraction form
    1,155,118.04/1,732,042.82 = 356,177.78/x
  3. Step 3: Cross multiply
    1,155,118.04x = 1,732,042.82 × 356,177.78
  4. Step 4: Simplify right side
    1,155,118.04x = 616,915,157,832.33
  5. Step 5: Solve for x
    x = 616,915,157,832.33/1,155,118.04
  6. Step 6: Final answer
    x = 534,071.10

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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.