Home / 862,590.33-1,190,379.51-500,229.33

Finding the Fourth Proportional to 862,590.33, 1,190,379.51 and 500,229.33

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Solution

The fourth proportional to 862,590.33, 1,190,379.51 and 500,229.33 is: 690,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,590.33 : 1,190,379.51 = 500,229.33 : x
  2. Step 2: Convert to fraction form
    862,590.33/1,190,379.51 = 500,229.33/x
  3. Step 3: Cross multiply
    862,590.33x = 1,190,379.51 × 500,229.33
  4. Step 4: Simplify right side
    862,590.33x = 595,462,744,733.03
  5. Step 5: Solve for x
    x = 595,462,744,733.03/862,590.33
  6. Step 6: Final answer
    x = 690,319.29

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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.