Home / 672,202.18-927,634.44-370,396.18

Finding the Fourth Proportional to 672,202.18, 927,634.44 and 370,396.18

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Solution

The fourth proportional to 672,202.18, 927,634.44 and 370,396.18 is: 511,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,202.18 : 927,634.44 = 370,396.18 : x
  2. Step 2: Convert to fraction form
    672,202.18/927,634.44 = 370,396.18/x
  3. Step 3: Cross multiply
    672,202.18x = 927,634.44 × 370,396.18
  4. Step 4: Simplify right side
    672,202.18x = 343,592,253,012.44
  5. Step 5: Solve for x
    x = 343,592,253,012.44/672,202.18
  6. Step 6: Final answer
    x = 511,144.21

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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.