Home / 1,639,576.18-2,262,619.14-914,470.87

Finding the Fourth Proportional to 1,639,576.18, 2,262,619.14 and 914,470.87

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Solution

The fourth proportional to 1,639,576.18, 2,262,619.14 and 914,470.87 is: 1,261,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,576.18 : 2,262,619.14 = 914,470.87 : x
  2. Step 2: Convert to fraction form
    1,639,576.18/2,262,619.14 = 914,470.87/x
  3. Step 3: Cross multiply
    1,639,576.18x = 2,262,619.14 × 914,470.87
  4. Step 4: Simplify right side
    1,639,576.18x = 2,069,099,293,434.45
  5. Step 5: Solve for x
    x = 2,069,099,293,434.45/1,639,576.18
  6. Step 6: Final answer
    x = 1,261,972.04

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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.