Home / 1,243,650.47-1,716,217.54-699,785.95

Finding the Fourth Proportional to 1,243,650.47, 1,716,217.54 and 699,785.95

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Solution

The fourth proportional to 1,243,650.47, 1,716,217.54 and 699,785.95 is: 965,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,650.47 : 1,716,217.54 = 699,785.95 : x
  2. Step 2: Convert to fraction form
    1,243,650.47/1,716,217.54 = 699,785.95/x
  3. Step 3: Cross multiply
    1,243,650.47x = 1,716,217.54 × 699,785.95
  4. Step 4: Simplify right side
    1,243,650.47x = 1,200,984,921,635.56
  5. Step 5: Solve for x
    x = 1,200,984,921,635.56/1,243,650.47
  6. Step 6: Final answer
    x = 965,693.30

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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.