Home / 839,960.20-1,259,940.30-460,734.40

Finding the Fourth Proportional to 839,960.20, 1,259,940.30 and 460,734.40

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Solution

The fourth proportional to 839,960.20, 1,259,940.30 and 460,734.40 is: 691,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,960.20 : 1,259,940.30 = 460,734.40 : x
  2. Step 2: Convert to fraction form
    839,960.20/1,259,940.30 = 460,734.40/x
  3. Step 3: Cross multiply
    839,960.20x = 1,259,940.30 × 460,734.40
  4. Step 4: Simplify right side
    839,960.20x = 580,497,838,156.32
  5. Step 5: Solve for x
    x = 580,497,838,156.32/839,960.20
  6. Step 6: Final answer
    x = 691,101.60

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Similar ratio
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1.5x scale

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.