Home / 755,001.90-1,041,901.92-415,470.15

Finding the Fourth Proportional to 755,001.90, 1,041,901.92 and 415,470.15

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Solution

The fourth proportional to 755,001.90, 1,041,901.92 and 415,470.15 is: 573,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,001.90 : 1,041,901.92 = 415,470.15 : x
  2. Step 2: Convert to fraction form
    755,001.90/1,041,901.92 = 415,470.15/x
  3. Step 3: Cross multiply
    755,001.90x = 1,041,901.92 × 415,470.15
  4. Step 4: Simplify right side
    755,001.90x = 432,879,146,987.69
  5. Step 5: Solve for x
    x = 432,879,146,987.69/755,001.90
  6. Step 6: Final answer
    x = 573,348.42

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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.