Home / 393,526.24-543,063.67-223,760.35

Finding the Fourth Proportional to 393,526.24, 543,063.67 and 223,760.35

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Solution

The fourth proportional to 393,526.24, 543,063.67 and 223,760.35 is: 308,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,526.24 : 543,063.67 = 223,760.35 : x
  2. Step 2: Convert to fraction form
    393,526.24/543,063.67 = 223,760.35/x
  3. Step 3: Cross multiply
    393,526.24x = 543,063.67 × 223,760.35
  4. Step 4: Simplify right side
    393,526.24x = 121,516,113,596.77
  5. Step 5: Solve for x
    x = 121,516,113,596.77/393,526.24
  6. Step 6: Final answer
    x = 308,787.83

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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.