Home / 1,165,162.52-1,748,163.26-407,115.52

Finding the Fourth Proportional to 1,165,162.52, 1,748,163.26 and 407,115.52

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Solution

The fourth proportional to 1,165,162.52, 1,748,163.26 and 407,115.52 is: 610,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,162.52 : 1,748,163.26 = 407,115.52 : x
  2. Step 2: Convert to fraction form
    1,165,162.52/1,748,163.26 = 407,115.52/x
  3. Step 3: Cross multiply
    1,165,162.52x = 1,748,163.26 × 407,115.52
  4. Step 4: Simplify right side
    1,165,162.52x = 711,704,391,287.18
  5. Step 5: Solve for x
    x = 711,704,391,287.18/1,165,162.52
  6. Step 6: Final answer
    x = 610,819.84

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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.