Home / 467,945.88-645,765.30-253,085.97

Finding the Fourth Proportional to 467,945.88, 645,765.30 and 253,085.97

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Solution

The fourth proportional to 467,945.88, 645,765.30 and 253,085.97 is: 349,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,945.88 : 645,765.30 = 253,085.97 : x
  2. Step 2: Convert to fraction form
    467,945.88/645,765.30 = 253,085.97/x
  3. Step 3: Cross multiply
    467,945.88x = 645,765.30 × 253,085.97
  4. Step 4: Simplify right side
    467,945.88x = 163,434,137,342.84
  5. Step 5: Solve for x
    x = 163,434,137,342.84/467,945.88
  6. Step 6: Final answer
    x = 349,258.63

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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.