Home / 409,218.41-564,749.76-248,080.25

Finding the Fourth Proportional to 409,218.41, 564,749.76 and 248,080.25

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Solution

The fourth proportional to 409,218.41, 564,749.76 and 248,080.25 is: 342,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,218.41 : 564,749.76 = 248,080.25 : x
  2. Step 2: Convert to fraction form
    409,218.41/564,749.76 = 248,080.25/x
  3. Step 3: Cross multiply
    409,218.41x = 564,749.76 × 248,080.25
  4. Step 4: Simplify right side
    409,218.41x = 140,103,261,648.24
  5. Step 5: Solve for x
    x = 140,103,261,648.24/409,218.41
  6. Step 6: Final answer
    x = 342,367.93

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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.