Home / 755,029.53-1,041,940.92-415,497.78

Finding the Fourth Proportional to 755,029.53, 1,041,940.92 and 415,497.78

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Solution

The fourth proportional to 755,029.53, 1,041,940.92 and 415,497.78 is: 573,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,029.53 : 1,041,940.92 = 415,497.78 : x
  2. Step 2: Convert to fraction form
    755,029.53/1,041,940.92 = 415,497.78/x
  3. Step 3: Cross multiply
    755,029.53x = 1,041,940.92 × 415,497.78
  4. Step 4: Simplify right side
    755,029.53x = 432,924,139,151.16
  5. Step 5: Solve for x
    x = 432,924,139,151.16/755,029.53
  6. Step 6: Final answer
    x = 573,387.03

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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.