Home / 741,344.84-1,111,221.27-314,520.42

Finding the Fourth Proportional to 741,344.84, 1,111,221.27 and 314,520.42

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Solution

The fourth proportional to 741,344.84, 1,111,221.27 and 314,520.42 is: 471,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,344.84 : 1,111,221.27 = 314,520.42 : x
  2. Step 2: Convert to fraction form
    741,344.84/1,111,221.27 = 314,520.42/x
  3. Step 3: Cross multiply
    741,344.84x = 1,111,221.27 × 314,520.42
  4. Step 4: Simplify right side
    741,344.84x = 349,501,780,553.33
  5. Step 5: Solve for x
    x = 349,501,780,553.33/741,344.84
  6. Step 6: Final answer
    x = 471,442.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.