Home / 355,039.10-532,558.65-275,723.90

Finding the Fourth Proportional to 355,039.10, 532,558.65 and 275,723.90

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Solution

The fourth proportional to 355,039.10, 532,558.65 and 275,723.90 is: 413,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,039.10 : 532,558.65 = 275,723.90 : x
  2. Step 2: Convert to fraction form
    355,039.10/532,558.65 = 275,723.90/x
  3. Step 3: Cross multiply
    355,039.10x = 532,558.65 × 275,723.90
  4. Step 4: Simplify right side
    355,039.10x = 146,839,147,956.74
  5. Step 5: Solve for x
    x = 146,839,147,956.74/355,039.10
  6. Step 6: Final answer
    x = 413,585.85

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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.