Home / 1,313,819.66-1,969,854.42-472,262.06

Finding the Fourth Proportional to 1,313,819.66, 1,969,854.42 and 472,262.06

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Solution

The fourth proportional to 1,313,819.66, 1,969,854.42 and 472,262.06 is: 708,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,819.66 : 1,969,854.42 = 472,262.06 : x
  2. Step 2: Convert to fraction form
    1,313,819.66/1,969,854.42 = 472,262.06/x
  3. Step 3: Cross multiply
    1,313,819.66x = 1,969,854.42 × 472,262.06
  4. Step 4: Simplify right side
    1,313,819.66x = 930,287,506,289.31
  5. Step 5: Solve for x
    x = 930,287,506,289.31/1,313,819.66
  6. Step 6: Final answer
    x = 708,078.54

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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.