Home / 1,057,229.20-1,585,843.80-609,331.60

Finding the Fourth Proportional to 1,057,229.20, 1,585,843.80 and 609,331.60

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Solution

The fourth proportional to 1,057,229.20, 1,585,843.80 and 609,331.60 is: 913,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,229.20 : 1,585,843.80 = 609,331.60 : x
  2. Step 2: Convert to fraction form
    1,057,229.20/1,585,843.80 = 609,331.60/x
  3. Step 3: Cross multiply
    1,057,229.20x = 1,585,843.80 × 609,331.60
  4. Step 4: Simplify right side
    1,057,229.20x = 966,304,740,004.08
  5. Step 5: Solve for x
    x = 966,304,740,004.08/1,057,229.20
  6. Step 6: Final answer
    x = 913,997.40

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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.