Home / 819,589.68-1,130,632.56-547,724.88

Finding the Fourth Proportional to 819,589.68, 1,130,632.56 and 547,724.88

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Solution

The fourth proportional to 819,589.68, 1,130,632.56 and 547,724.88 is: 755,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,589.68 : 1,130,632.56 = 547,724.88 : x
  2. Step 2: Convert to fraction form
    819,589.68/1,130,632.56 = 547,724.88/x
  3. Step 3: Cross multiply
    819,589.68x = 1,130,632.56 × 547,724.88
  4. Step 4: Simplify right side
    819,589.68x = 619,275,583,250.09
  5. Step 5: Solve for x
    x = 619,275,583,250.09/819,589.68
  6. Step 6: Final answer
    x = 755,592.22

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1.5x scale

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.