Home / 712,366.56-1,068,303.84-206,790.48

Finding the Fourth Proportional to 712,366.56, 1,068,303.84 and 206,790.48

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Solution

The fourth proportional to 712,366.56, 1,068,303.84 and 206,790.48 is: 310,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,366.56 : 1,068,303.84 = 206,790.48 : x
  2. Step 2: Convert to fraction form
    712,366.56/1,068,303.84 = 206,790.48/x
  3. Step 3: Cross multiply
    712,366.56x = 1,068,303.84 × 206,790.48
  4. Step 4: Simplify right side
    712,366.56x = 220,915,063,859.44
  5. Step 5: Solve for x
    x = 220,915,063,859.44/712,366.56
  6. Step 6: Final answer
    x = 310,114.31

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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.