Home / 741,972.25-1,023,921.84-419,675.41

Finding the Fourth Proportional to 741,972.25, 1,023,921.84 and 419,675.41

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Solution

The fourth proportional to 741,972.25, 1,023,921.84 and 419,675.41 is: 579,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,972.25 : 1,023,921.84 = 419,675.41 : x
  2. Step 2: Convert to fraction form
    741,972.25/1,023,921.84 = 419,675.41/x
  3. Step 3: Cross multiply
    741,972.25x = 1,023,921.84 × 419,675.41
  4. Step 4: Simplify right side
    741,972.25x = 429,714,818,009.95
  5. Step 5: Solve for x
    x = 429,714,818,009.95/741,972.25
  6. Step 6: Final answer
    x = 579,152.14

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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.