Home / 474,400.56-654,608.18-283,373.40

Finding the Fourth Proportional to 474,400.56, 654,608.18 and 283,373.40

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Solution

The fourth proportional to 474,400.56, 654,608.18 and 283,373.40 is: 391,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,400.56 : 654,608.18 = 283,373.40 : x
  2. Step 2: Convert to fraction form
    474,400.56/654,608.18 = 283,373.40/x
  3. Step 3: Cross multiply
    474,400.56x = 654,608.18 × 283,373.40
  4. Step 4: Simplify right side
    474,400.56x = 185,498,545,634.41
  5. Step 5: Solve for x
    x = 185,498,545,634.41/474,400.56
  6. Step 6: Final answer
    x = 391,016.71

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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.