Home / 543,759.42-815,955.06-223,943.46

Finding the Fourth Proportional to 543,759.42, 815,955.06 and 223,943.46

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Solution

The fourth proportional to 543,759.42, 815,955.06 and 223,943.46 is: 336,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,759.42 : 815,955.06 = 223,943.46 : x
  2. Step 2: Convert to fraction form
    543,759.42/815,955.06 = 223,943.46/x
  3. Step 3: Cross multiply
    543,759.42x = 815,955.06 × 223,943.46
  4. Step 4: Simplify right side
    543,759.42x = 182,727,799,340.91
  5. Step 5: Solve for x
    x = 182,727,799,340.91/543,759.42
  6. Step 6: Final answer
    x = 336,045.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.