Home / 839,909.70-1,259,864.55-460,683.90

Finding the Fourth Proportional to 839,909.70, 1,259,864.55 and 460,683.90

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Solution

The fourth proportional to 839,909.70, 1,259,864.55 and 460,683.90 is: 691,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,909.70 : 1,259,864.55 = 460,683.90 : x
  2. Step 2: Convert to fraction form
    839,909.70/1,259,864.55 = 460,683.90/x
  3. Step 3: Cross multiply
    839,909.70x = 1,259,864.55 × 460,683.90
  4. Step 4: Simplify right side
    839,909.70x = 580,399,314,365.75
  5. Step 5: Solve for x
    x = 580,399,314,365.75/839,909.70
  6. Step 6: Final answer
    x = 691,025.85

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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.