Home / 741,754.61-1,023,621.93-402,222.86

Finding the Fourth Proportional to 741,754.61, 1,023,621.93 and 402,222.86

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Solution

The fourth proportional to 741,754.61, 1,023,621.93 and 402,222.86 is: 555,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,754.61 : 1,023,621.93 = 402,222.86 : x
  2. Step 2: Convert to fraction form
    741,754.61/1,023,621.93 = 402,222.86/x
  3. Step 3: Cross multiply
    741,754.61x = 1,023,621.93 × 402,222.86
  4. Step 4: Simplify right side
    741,754.61x = 411,724,135,125.21
  5. Step 5: Solve for x
    x = 411,724,135,125.21/741,754.61
  6. Step 6: Final answer
    x = 555,067.85

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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.