Home / 753,182.46-1,039,399.98-413,650.68

Finding the Fourth Proportional to 753,182.46, 1,039,399.98 and 413,650.68

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Solution

The fourth proportional to 753,182.46, 1,039,399.98 and 413,650.68 is: 570,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,182.46 : 1,039,399.98 = 413,650.68 : x
  2. Step 2: Convert to fraction form
    753,182.46/1,039,399.98 = 413,650.68/x
  3. Step 3: Cross multiply
    753,182.46x = 1,039,399.98 × 413,650.68
  4. Step 4: Simplify right side
    753,182.46x = 429,948,508,518.99
  5. Step 5: Solve for x
    x = 429,948,508,518.99/753,182.46
  6. Step 6: Final answer
    x = 570,842.43

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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.