Home / 1,385,486.98-1,911,803.11-773,673.73

Finding the Fourth Proportional to 1,385,486.98, 1,911,803.11 and 773,673.73

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Solution

The fourth proportional to 1,385,486.98, 1,911,803.11 and 773,673.73 is: 1,067,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,486.98 : 1,911,803.11 = 773,673.73 : x
  2. Step 2: Convert to fraction form
    1,385,486.98/1,911,803.11 = 773,673.73/x
  3. Step 3: Cross multiply
    1,385,486.98x = 1,911,803.11 × 773,673.73
  4. Step 4: Simplify right side
    1,385,486.98x = 1,479,111,836,425.61
  5. Step 5: Solve for x
    x = 1,479,111,836,425.61/1,385,486.98
  6. Step 6: Final answer
    x = 1,067,575.42

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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.