Home / 862,687.80-1,190,513.91-500,326.53

Finding the Fourth Proportional to 862,687.80, 1,190,513.91 and 500,326.53

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Solution

The fourth proportional to 862,687.80, 1,190,513.91 and 500,326.53 is: 690,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,687.80 : 1,190,513.91 = 500,326.53 : x
  2. Step 2: Convert to fraction form
    862,687.80/1,190,513.91 = 500,326.53/x
  3. Step 3: Cross multiply
    862,687.80x = 1,190,513.91 × 500,326.53
  4. Step 4: Simplify right side
    862,687.80x = 595,645,693,507.03
  5. Step 5: Solve for x
    x = 595,645,693,507.03/862,687.80
  6. Step 6: Final answer
    x = 690,453.36

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1.5x scale

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.