Home / 1,680,051.60-2,519,785.80-614,545.20

Finding the Fourth Proportional to 1,680,051.60, 2,519,785.80 and 614,545.20

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Solution

The fourth proportional to 1,680,051.60, 2,519,785.80 and 614,545.20 is: 921,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,051.60 : 2,519,785.80 = 614,545.20 : x
  2. Step 2: Convert to fraction form
    1,680,051.60/2,519,785.80 = 614,545.20/x
  3. Step 3: Cross multiply
    1,680,051.60x = 2,519,785.80 × 614,545.20
  4. Step 4: Simplify right side
    1,680,051.60x = 1,548,522,268,418.16
  5. Step 5: Solve for x
    x = 1,548,522,268,418.16/1,680,051.60
  6. Step 6: Final answer
    x = 921,711.14

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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.