Home / 913,013.44-1,260,131.52-611,730.88

Finding the Fourth Proportional to 913,013.44, 1,260,131.52 and 611,730.88

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Solution

The fourth proportional to 913,013.44, 1,260,131.52 and 611,730.88 is: 844,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,013.44 : 1,260,131.52 = 611,730.88 : x
  2. Step 2: Convert to fraction form
    913,013.44/1,260,131.52 = 611,730.88/x
  3. Step 3: Cross multiply
    913,013.44x = 1,260,131.52 × 611,730.88
  4. Step 4: Simplify right side
    913,013.44x = 770,861,363,645.34
  5. Step 5: Solve for x
    x = 770,861,363,645.34/913,013.44
  6. Step 6: Final answer
    x = 844,304.51

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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.