Home / 1,134,375.91-1,565,438.91-618,129.89

Finding the Fourth Proportional to 1,134,375.91, 1,565,438.91 and 618,129.89

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Solution

The fourth proportional to 1,134,375.91, 1,565,438.91 and 618,129.89 is: 853,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,375.91 : 1,565,438.91 = 618,129.89 : x
  2. Step 2: Convert to fraction form
    1,134,375.91/1,565,438.91 = 618,129.89/x
  3. Step 3: Cross multiply
    1,134,375.91x = 1,565,438.91 × 618,129.89
  4. Step 4: Simplify right side
    1,134,375.91x = 967,644,576,965.23
  5. Step 5: Solve for x
    x = 967,644,576,965.23/1,134,375.91
  6. Step 6: Final answer
    x = 853,019.33

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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.