Home / 1,397,939.60-2,098,464.60-866,061.20

Finding the Fourth Proportional to 1,397,939.60, 2,098,464.60 and 866,061.20

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Solution

The fourth proportional to 1,397,939.60, 2,098,464.60 and 866,061.20 is: 1,300,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,939.60 : 2,098,464.60 = 866,061.20 : x
  2. Step 2: Convert to fraction form
    1,397,939.60/2,098,464.60 = 866,061.20/x
  3. Step 3: Cross multiply
    1,397,939.60x = 2,098,464.60 × 866,061.20
  4. Step 4: Simplify right side
    1,397,939.60x = 1,817,398,769,633.52
  5. Step 5: Solve for x
    x = 1,817,398,769,633.52/1,397,939.60
  6. Step 6: Final answer
    x = 1,300,055.29

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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.