Home / 862,568.03-1,190,348.71-500,206.97

Finding the Fourth Proportional to 862,568.03, 1,190,348.71 and 500,206.97

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Solution

The fourth proportional to 862,568.03, 1,190,348.71 and 500,206.97 is: 690,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,568.03 : 1,190,348.71 = 500,206.97 : x
  2. Step 2: Convert to fraction form
    862,568.03/1,190,348.71 = 500,206.97/x
  3. Step 3: Cross multiply
    862,568.03x = 1,190,348.71 × 500,206.97
  4. Step 4: Simplify right side
    862,568.03x = 595,420,723,197.86
  5. Step 5: Solve for x
    x = 595,420,723,197.86/862,568.03
  6. Step 6: Final answer
    x = 690,288.42

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Double scale
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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.