Home / 762,304.50-1,143,480.44-282,651.66

Finding the Fourth Proportional to 762,304.50, 1,143,480.44 and 282,651.66

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Solution

The fourth proportional to 762,304.50, 1,143,480.44 and 282,651.66 is: 423,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,304.50 : 1,143,480.44 = 282,651.66 : x
  2. Step 2: Convert to fraction form
    762,304.50/1,143,480.44 = 282,651.66/x
  3. Step 3: Cross multiply
    762,304.50x = 1,143,480.44 × 282,651.66
  4. Step 4: Simplify right side
    762,304.50x = 323,206,645,250.16
  5. Step 5: Solve for x
    x = 323,206,645,250.16/762,304.50
  6. Step 6: Final answer
    x = 423,986.27

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Double scale
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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.