Home / 887,708.46-1,332,253.17-619,728.78

Finding the Fourth Proportional to 887,708.46, 1,332,253.17 and 619,728.78

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Solution

The fourth proportional to 887,708.46, 1,332,253.17 and 619,728.78 is: 930,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,708.46 : 1,332,253.17 = 619,728.78 : x
  2. Step 2: Convert to fraction form
    887,708.46/1,332,253.17 = 619,728.78/x
  3. Step 3: Cross multiply
    887,708.46x = 1,332,253.17 × 619,728.78
  4. Step 4: Simplify right side
    887,708.46x = 825,635,631,695.23
  5. Step 5: Solve for x
    x = 825,635,631,695.23/887,708.46
  6. Step 6: Final answer
    x = 930,075.21

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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.