Home / 681,932.12-941,022.82-376,010.45

Finding the Fourth Proportional to 681,932.12, 941,022.82 and 376,010.45

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Solution

The fourth proportional to 681,932.12, 941,022.82 and 376,010.45 is: 518,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,932.12 : 941,022.82 = 376,010.45 : x
  2. Step 2: Convert to fraction form
    681,932.12/941,022.82 = 376,010.45/x
  3. Step 3: Cross multiply
    681,932.12x = 941,022.82 × 376,010.45
  4. Step 4: Simplify right side
    681,932.12x = 353,834,416,480.40
  5. Step 5: Solve for x
    x = 353,834,416,480.40/681,932.12
  6. Step 6: Final answer
    x = 518,870.44

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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.