Home / 755,156.75-1,131,834.77-526,212.84

Finding the Fourth Proportional to 755,156.75, 1,131,834.77 and 526,212.84

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Solution

The fourth proportional to 755,156.75, 1,131,834.77 and 526,212.84 is: 788,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,156.75 : 1,131,834.77 = 526,212.84 : x
  2. Step 2: Convert to fraction form
    755,156.75/1,131,834.77 = 526,212.84/x
  3. Step 3: Cross multiply
    755,156.75x = 1,131,834.77 × 526,212.84
  4. Step 4: Simplify right side
    755,156.75x = 595,585,986,101.38
  5. Step 5: Solve for x
    x = 595,585,986,101.38/755,156.75
  6. Step 6: Final answer
    x = 788,691.87

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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.