Home / 451,738.33-623,387.66-258,133.75

Finding the Fourth Proportional to 451,738.33, 623,387.66 and 258,133.75

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Solution

The fourth proportional to 451,738.33, 623,387.66 and 258,133.75 is: 356,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,738.33 : 623,387.66 = 258,133.75 : x
  2. Step 2: Convert to fraction form
    451,738.33/623,387.66 = 258,133.75/x
  3. Step 3: Cross multiply
    451,738.33x = 623,387.66 × 258,133.75
  4. Step 4: Simplify right side
    451,738.33x = 160,917,393,734.19
  5. Step 5: Solve for x
    x = 160,917,393,734.19/451,738.33
  6. Step 6: Final answer
    x = 356,218.16

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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.