Home / 755,034.57-1,041,947.87-415,502.82

Finding the Fourth Proportional to 755,034.57, 1,041,947.87 and 415,502.82

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Solution

The fourth proportional to 755,034.57, 1,041,947.87 and 415,502.82 is: 573,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,034.57 : 1,041,947.87 = 415,502.82 : x
  2. Step 2: Convert to fraction form
    755,034.57/1,041,947.87 = 415,502.82/x
  3. Step 3: Cross multiply
    755,034.57x = 1,041,947.87 × 415,502.82
  4. Step 4: Simplify right side
    755,034.57x = 432,932,276,200.48
  5. Step 5: Solve for x
    x = 432,932,276,200.48/755,034.57
  6. Step 6: Final answer
    x = 573,393.98

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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.