Home / 819,856.63-1,131,396.68-452,352.69

Finding the Fourth Proportional to 819,856.63, 1,131,396.68 and 452,352.69

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Solution

The fourth proportional to 819,856.63, 1,131,396.68 and 452,352.69 is: 624,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,856.63 : 1,131,396.68 = 452,352.69 : x
  2. Step 2: Convert to fraction form
    819,856.63/1,131,396.68 = 452,352.69/x
  3. Step 3: Cross multiply
    819,856.63x = 1,131,396.68 × 452,352.69
  4. Step 4: Simplify right side
    819,856.63x = 511,790,332,785.95
  5. Step 5: Solve for x
    x = 511,790,332,785.95/819,856.63
  6. Step 6: Final answer
    x = 624,243.70

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Double scale
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1.5x scale

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.