Home / 960,074.93-1,440,107.19-391,453.82

Finding the Fourth Proportional to 960,074.93, 1,440,107.19 and 391,453.82

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Solution

The fourth proportional to 960,074.93, 1,440,107.19 and 391,453.82 is: 587,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,074.93 : 1,440,107.19 = 391,453.82 : x
  2. Step 2: Convert to fraction form
    960,074.93/1,440,107.19 = 391,453.82/x
  3. Step 3: Cross multiply
    960,074.93x = 1,440,107.19 × 391,453.82
  4. Step 4: Simplify right side
    960,074.93x = 563,735,464,335.23
  5. Step 5: Solve for x
    x = 563,735,464,335.23/960,074.93
  6. Step 6: Final answer
    x = 587,178.61

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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.