Home / 759,689.38-1,053,165.87-719,240.82

Finding the Fourth Proportional to 759,689.38, 1,053,165.87 and 719,240.82

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Solution

The fourth proportional to 759,689.38, 1,053,165.87 and 719,240.82 is: 997,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,689.38 : 1,053,165.87 = 719,240.82 : x
  2. Step 2: Convert to fraction form
    759,689.38/1,053,165.87 = 719,240.82/x
  3. Step 3: Cross multiply
    759,689.38x = 1,053,165.87 × 719,240.82
  4. Step 4: Simplify right side
    759,689.38x = 757,479,882,008.31
  5. Step 5: Solve for x
    x = 757,479,882,008.31/759,689.38
  6. Step 6: Final answer
    x = 997,091.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.