Home / 1,135,331.20-1,566,760.32-626,022.40

Finding the Fourth Proportional to 1,135,331.20, 1,566,760.32 and 626,022.40

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Solution

The fourth proportional to 1,135,331.20, 1,566,760.32 and 626,022.40 is: 863,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,331.20 : 1,566,760.32 = 626,022.40 : x
  2. Step 2: Convert to fraction form
    1,135,331.20/1,566,760.32 = 626,022.40/x
  3. Step 3: Cross multiply
    1,135,331.20x = 1,566,760.32 × 626,022.40
  4. Step 4: Simplify right side
    1,135,331.20x = 980,827,055,751.17
  5. Step 5: Solve for x
    x = 980,827,055,751.17/1,135,331.20
  6. Step 6: Final answer
    x = 863,912.71

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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.