Home / 1,158,638.38-1,738,437.19-625,532.42

Finding the Fourth Proportional to 1,158,638.38, 1,738,437.19 and 625,532.42

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Solution

The fourth proportional to 1,158,638.38, 1,738,437.19 and 625,532.42 is: 938,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,638.38 : 1,738,437.19 = 625,532.42 : x
  2. Step 2: Convert to fraction form
    1,158,638.38/1,738,437.19 = 625,532.42/x
  3. Step 3: Cross multiply
    1,158,638.38x = 1,738,437.19 × 625,532.42
  4. Step 4: Simplify right side
    1,158,638.38x = 1,087,448,825,260.96
  5. Step 5: Solve for x
    x = 1,087,448,825,260.96/1,158,638.38
  6. Step 6: Final answer
    x = 938,557.57

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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.