Home / 741,617.66-1,023,440.23-435,706.78

Finding the Fourth Proportional to 741,617.66, 1,023,440.23 and 435,706.78

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Solution

The fourth proportional to 741,617.66, 1,023,440.23 and 435,706.78 is: 601,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,617.66 : 1,023,440.23 = 435,706.78 : x
  2. Step 2: Convert to fraction form
    741,617.66/1,023,440.23 = 435,706.78/x
  3. Step 3: Cross multiply
    741,617.66x = 1,023,440.23 × 435,706.78
  4. Step 4: Simplify right side
    741,617.66x = 445,919,847,135.76
  5. Step 5: Solve for x
    x = 445,919,847,135.76/741,617.66
  6. Step 6: Final answer
    x = 601,279.97

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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.