Home / 1,126,964.16-1,690,643.07-495,861.57

Finding the Fourth Proportional to 1,126,964.16, 1,690,643.07 and 495,861.57

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Solution

The fourth proportional to 1,126,964.16, 1,690,643.07 and 495,861.57 is: 743,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,964.16 : 1,690,643.07 = 495,861.57 : x
  2. Step 2: Convert to fraction form
    1,126,964.16/1,690,643.07 = 495,861.57/x
  3. Step 3: Cross multiply
    1,126,964.16x = 1,690,643.07 × 495,861.57
  4. Step 4: Simplify right side
    1,126,964.16x = 838,324,926,999.82
  5. Step 5: Solve for x
    x = 838,324,926,999.82/1,126,964.16
  6. Step 6: Final answer
    x = 743,878.96

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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.