Home / 1,639,620.57-2,262,679.40-914,515.02

Finding the Fourth Proportional to 1,639,620.57, 2,262,679.40 and 914,515.02

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Solution

The fourth proportional to 1,639,620.57, 2,262,679.40 and 914,515.02 is: 1,262,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,620.57 : 2,262,679.40 = 914,515.02 : x
  2. Step 2: Convert to fraction form
    1,639,620.57/2,262,679.40 = 914,515.02/x
  3. Step 3: Cross multiply
    1,639,620.57x = 2,262,679.40 × 914,515.02
  4. Step 4: Simplify right side
    1,639,620.57x = 2,069,254,296,744.59
  5. Step 5: Solve for x
    x = 2,069,254,296,744.59/1,639,620.57
  6. Step 6: Final answer
    x = 1,262,032.41

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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.