Home / 716,785.43-1,074,679.88-317,208.24

Finding the Fourth Proportional to 716,785.43, 1,074,679.88 and 317,208.24

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Solution

The fourth proportional to 716,785.43, 1,074,679.88 and 317,208.24 is: 475,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,785.43 : 1,074,679.88 = 317,208.24 : x
  2. Step 2: Convert to fraction form
    716,785.43/1,074,679.88 = 317,208.24/x
  3. Step 3: Cross multiply
    716,785.43x = 1,074,679.88 × 317,208.24
  4. Step 4: Simplify right side
    716,785.43x = 340,897,311,712.17
  5. Step 5: Solve for x
    x = 340,897,311,712.17/716,785.43
  6. Step 6: Final answer
    x = 475,591.86

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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.