Home / 957,446.22-1,321,278.46-527,728.05

Finding the Fourth Proportional to 957,446.22, 1,321,278.46 and 527,728.05

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Solution

The fourth proportional to 957,446.22, 1,321,278.46 and 527,728.05 is: 728,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,446.22 : 1,321,278.46 = 527,728.05 : x
  2. Step 2: Convert to fraction form
    957,446.22/1,321,278.46 = 527,728.05/x
  3. Step 3: Cross multiply
    957,446.22x = 1,321,278.46 × 527,728.05
  4. Step 4: Simplify right side
    957,446.22x = 697,275,708,838.28
  5. Step 5: Solve for x
    x = 697,275,708,838.28/957,446.22
  6. Step 6: Final answer
    x = 728,266.19

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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.