Home / 896,216-1,236,781.92-493,799.36

Finding the Fourth Proportional to 896,216, 1,236,781.92 and 493,799.36

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Solution

The fourth proportional to 896,216, 1,236,781.92 and 493,799.36 is: 681,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,216 : 1,236,781.92 = 493,799.36 : x
  2. Step 2: Convert to fraction form
    896,216/1,236,781.92 = 493,799.36/x
  3. Step 3: Cross multiply
    896,216x = 1,236,781.92 × 493,799.36
  4. Step 4: Simplify right side
    896,216x = 610,722,120,555.57
  5. Step 5: Solve for x
    x = 610,722,120,555.57/896,216
  6. Step 6: Final answer
    x = 681,445.23

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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.