Home / 1,151,699.25-1,589,148.14-668,153.55

Finding the Fourth Proportional to 1,151,699.25, 1,589,148.14 and 668,153.55

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Solution

The fourth proportional to 1,151,699.25, 1,589,148.14 and 668,153.55 is: 921,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,699.25 : 1,589,148.14 = 668,153.55 : x
  2. Step 2: Convert to fraction form
    1,151,699.25/1,589,148.14 = 668,153.55/x
  3. Step 3: Cross multiply
    1,151,699.25x = 1,589,148.14 × 668,153.55
  4. Step 4: Simplify right side
    1,151,699.25x = 1,061,794,967,876.13
  5. Step 5: Solve for x
    x = 1,061,794,967,876.13/1,151,699.25
  6. Step 6: Final answer
    x = 921,937.71

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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.