Home / 1,678,397.16-2,517,815.58-613,940.52

Finding the Fourth Proportional to 1,678,397.16, 2,517,815.58 and 613,940.52

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Solution

The fourth proportional to 1,678,397.16, 2,517,815.58 and 613,940.52 is: 920,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,397.16 : 2,517,815.58 = 613,940.52 : x
  2. Step 2: Convert to fraction form
    1,678,397.16/2,517,815.58 = 613,940.52/x
  3. Step 3: Cross multiply
    1,678,397.16x = 2,517,815.58 × 613,940.52
  4. Step 4: Simplify right side
    1,678,397.16x = 1,545,789,006,449.30
  5. Step 5: Solve for x
    x = 1,545,789,006,449.30/1,678,397.16
  6. Step 6: Final answer
    x = 920,991.20

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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.