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Finding the Fourth Proportional to 952,810.56, 1,434,920.19 and 867,780

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Solution

The fourth proportional to 952,810.56, 1,434,920.19 and 867,780 is: 1,306,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,810.56 : 1,434,920.19 = 867,780 : x
  2. Step 2: Convert to fraction form
    952,810.56/1,434,920.19 = 867,780/x
  3. Step 3: Cross multiply
    952,810.56x = 1,434,920.19 × 867,780
  4. Step 4: Simplify right side
    952,810.56x = 1,245,195,042,478.20
  5. Step 5: Solve for x
    x = 1,245,195,042,478.20/952,810.56
  6. Step 6: Final answer
    x = 1,306,865.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.