Home / 741,486.85-1,023,212.10-419,177.73

Finding the Fourth Proportional to 741,486.85, 1,023,212.10 and 419,177.73

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Solution

The fourth proportional to 741,486.85, 1,023,212.10 and 419,177.73 is: 578,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,486.85 : 1,023,212.10 = 419,177.73 : x
  2. Step 2: Convert to fraction form
    741,486.85/1,023,212.10 = 419,177.73/x
  3. Step 3: Cross multiply
    741,486.85x = 1,023,212.10 × 419,177.73
  4. Step 4: Simplify right side
    741,486.85x = 428,907,725,386.53
  5. Step 5: Solve for x
    x = 428,907,725,386.53/741,486.85
  6. Step 6: Final answer
    x = 578,442.79

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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.