Home / 741,566.70-1,023,389.60-419,257.58

Finding the Fourth Proportional to 741,566.70, 1,023,389.60 and 419,257.58

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Solution

The fourth proportional to 741,566.70, 1,023,389.60 and 419,257.58 is: 578,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,566.70 : 1,023,389.60 = 419,257.58 : x
  2. Step 2: Convert to fraction form
    741,566.70/1,023,389.60 = 419,257.58/x
  3. Step 3: Cross multiply
    741,566.70x = 1,023,389.60 × 419,257.58
  4. Step 4: Simplify right side
    741,566.70x = 429,063,839,879.93
  5. Step 5: Solve for x
    x = 429,063,839,879.93/741,566.70
  6. Step 6: Final answer
    x = 578,591.03

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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.