Home / 919,034.11-1,377,290.02-581,470.47

Finding the Fourth Proportional to 919,034.11, 1,377,290.02 and 581,470.47

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Solution

The fourth proportional to 919,034.11, 1,377,290.02 and 581,470.47 is: 871,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,034.11 : 1,377,290.02 = 581,470.47 : x
  2. Step 2: Convert to fraction form
    919,034.11/1,377,290.02 = 581,470.47/x
  3. Step 3: Cross multiply
    919,034.11x = 1,377,290.02 × 581,470.47
  4. Step 4: Simplify right side
    919,034.11x = 800,853,472,348.36
  5. Step 5: Solve for x
    x = 800,853,472,348.36/919,034.11
  6. Step 6: Final answer
    x = 871,407.78

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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.