Home / 511,382.20-767,073.03-156,396.28

Finding the Fourth Proportional to 511,382.20, 767,073.03 and 156,396.28

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Solution

The fourth proportional to 511,382.20, 767,073.03 and 156,396.28 is: 234,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,382.20 : 767,073.03 = 156,396.28 : x
  2. Step 2: Convert to fraction form
    511,382.20/767,073.03 = 156,396.28/x
  3. Step 3: Cross multiply
    511,382.20x = 767,073.03 × 156,396.28
  4. Step 4: Simplify right side
    511,382.20x = 119,967,368,380.33
  5. Step 5: Solve for x
    x = 119,967,368,380.33/511,382.20
  6. Step 6: Final answer
    x = 234,594.34

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1.5x scale

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.