Home / 741,606.92-1,023,389.15-419,323.76

Finding the Fourth Proportional to 741,606.92, 1,023,389.15 and 419,323.76

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Solution

The fourth proportional to 741,606.92, 1,023,389.15 and 419,323.76 is: 578,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,606.92 : 1,023,389.15 = 419,323.76 : x
  2. Step 2: Convert to fraction form
    741,606.92/1,023,389.15 = 419,323.76/x
  3. Step 3: Cross multiply
    741,606.92x = 1,023,389.15 × 419,323.76
  4. Step 4: Simplify right side
    741,606.92x = 429,131,386,321.20
  5. Step 5: Solve for x
    x = 429,131,386,321.20/741,606.92
  6. Step 6: Final answer
    x = 578,650.73

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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.