Home / 469,326.08-647,704.32-268,117.76

Finding the Fourth Proportional to 469,326.08, 647,704.32 and 268,117.76

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Solution

The fourth proportional to 469,326.08, 647,704.32 and 268,117.76 is: 370,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,326.08 : 647,704.32 = 268,117.76 : x
  2. Step 2: Convert to fraction form
    469,326.08/647,704.32 = 268,117.76/x
  3. Step 3: Cross multiply
    469,326.08x = 647,704.32 × 268,117.76
  4. Step 4: Simplify right side
    469,326.08x = 173,661,031,420.72
  5. Step 5: Solve for x
    x = 173,661,031,420.72/469,326.08
  6. Step 6: Final answer
    x = 370,022.12

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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.