Home / 313,939.52-433,233.28-233,725.76

Finding the Fourth Proportional to 313,939.52, 433,233.28 and 233,725.76

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Solution

The fourth proportional to 313,939.52, 433,233.28 and 233,725.76 is: 322,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,939.52 : 433,233.28 = 233,725.76 : x
  2. Step 2: Convert to fraction form
    313,939.52/433,233.28 = 233,725.76/x
  3. Step 3: Cross multiply
    313,939.52x = 433,233.28 × 233,725.76
  4. Step 4: Simplify right side
    313,939.52x = 101,257,777,625.29
  5. Step 5: Solve for x
    x = 101,257,777,625.29/313,939.52
  6. Step 6: Final answer
    x = 322,539.12

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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.