Home / 681,990.15-941,202.44-376,126.36

Finding the Fourth Proportional to 681,990.15, 941,202.44 and 376,126.36

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Solution

The fourth proportional to 681,990.15, 941,202.44 and 376,126.36 is: 519,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,990.15 : 941,202.44 = 376,126.36 : x
  2. Step 2: Convert to fraction form
    681,990.15/941,202.44 = 376,126.36/x
  3. Step 3: Cross multiply
    681,990.15x = 941,202.44 × 376,126.36
  4. Step 4: Simplify right side
    681,990.15x = 354,011,046,367.63
  5. Step 5: Solve for x
    x = 354,011,046,367.63/681,990.15
  6. Step 6: Final answer
    x = 519,085.28

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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.