Home / 708,939.38-1,062,459.19-663,538.48

Finding the Fourth Proportional to 708,939.38, 1,062,459.19 and 663,538.48

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Solution

The fourth proportional to 708,939.38, 1,062,459.19 and 663,538.48 is: 994,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,939.38 : 1,062,459.19 = 663,538.48 : x
  2. Step 2: Convert to fraction form
    708,939.38/1,062,459.19 = 663,538.48/x
  3. Step 3: Cross multiply
    708,939.38x = 1,062,459.19 × 663,538.48
  4. Step 4: Simplify right side
    708,939.38x = 704,982,551,679.64
  5. Step 5: Solve for x
    x = 704,982,551,679.64/708,939.38
  6. Step 6: Final answer
    x = 994,418.66

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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.