Home / 2,205,253.53-3,307,470.21-688,973.61

Finding the Fourth Proportional to 2,205,253.53, 3,307,470.21 and 688,973.61

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Solution

The fourth proportional to 2,205,253.53, 3,307,470.21 and 688,973.61 is: 1,033,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,253.53 : 3,307,470.21 = 688,973.61 : x
  2. Step 2: Convert to fraction form
    2,205,253.53/3,307,470.21 = 688,973.61/x
  3. Step 3: Cross multiply
    2,205,253.53x = 3,307,470.21 × 688,973.61
  4. Step 4: Simplify right side
    2,205,253.53x = 2,278,759,690,551.16
  5. Step 5: Solve for x
    x = 2,278,759,690,551.16/2,205,253.53
  6. Step 6: Final answer
    x = 1,033,332.29

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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.