Home / 469,922.88-648,476.19-255,058.38

Finding the Fourth Proportional to 469,922.88, 648,476.19 and 255,058.38

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Solution

The fourth proportional to 469,922.88, 648,476.19 and 255,058.38 is: 351,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,922.88 : 648,476.19 = 255,058.38 : x
  2. Step 2: Convert to fraction form
    469,922.88/648,476.19 = 255,058.38/x
  3. Step 3: Cross multiply
    469,922.88x = 648,476.19 × 255,058.38
  4. Step 4: Simplify right side
    469,922.88x = 165,399,286,489.97
  5. Step 5: Solve for x
    x = 165,399,286,489.97/469,922.88
  6. Step 6: Final answer
    x = 351,971.13

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1.5x scale

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.