Home / 1,639,443.60-2,262,427.68-914,292.08

Finding the Fourth Proportional to 1,639,443.60, 2,262,427.68 and 914,292.08

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Solution

The fourth proportional to 1,639,443.60, 2,262,427.68 and 914,292.08 is: 1,261,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,443.60 : 2,262,427.68 = 914,292.08 : x
  2. Step 2: Convert to fraction form
    1,639,443.60/2,262,427.68 = 914,292.08/x
  3. Step 3: Cross multiply
    1,639,443.60x = 2,262,427.68 × 914,292.08
  4. Step 4: Simplify right side
    1,639,443.60x = 2,068,519,709,396.77
  5. Step 5: Solve for x
    x = 2,068,519,709,396.77/1,639,443.60
  6. Step 6: Final answer
    x = 1,261,720.57

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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.