Home / 949,834.34-1,310,769.20-520,110.71

Finding the Fourth Proportional to 949,834.34, 1,310,769.20 and 520,110.71

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Solution

The fourth proportional to 949,834.34, 1,310,769.20 and 520,110.71 is: 717,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,834.34 : 1,310,769.20 = 520,110.71 : x
  2. Step 2: Convert to fraction form
    949,834.34/1,310,769.20 = 520,110.71/x
  3. Step 3: Cross multiply
    949,834.34x = 1,310,769.20 × 520,110.71
  4. Step 4: Simplify right side
    949,834.34x = 681,745,099,258.13
  5. Step 5: Solve for x
    x = 681,745,099,258.13/949,834.34
  6. Step 6: Final answer
    x = 717,751.58

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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.