Home / 1,639,916.32-2,262,858.24-914,679.04

Finding the Fourth Proportional to 1,639,916.32, 2,262,858.24 and 914,679.04

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Solution

The fourth proportional to 1,639,916.32, 2,262,858.24 and 914,679.04 is: 1,262,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,916.32 : 2,262,858.24 = 914,679.04 : x
  2. Step 2: Convert to fraction form
    1,639,916.32/2,262,858.24 = 914,679.04/x
  3. Step 3: Cross multiply
    1,639,916.32x = 2,262,858.24 × 914,679.04
  4. Step 4: Simplify right side
    1,639,916.32x = 2,069,789,002,619.29
  5. Step 5: Solve for x
    x = 2,069,789,002,619.29/1,639,916.32
  6. Step 6: Final answer
    x = 1,262,130.86

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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.