Home / 756,427.60-1,134,641.40-682,699.60

Finding the Fourth Proportional to 756,427.60, 1,134,641.40 and 682,699.60

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Solution

The fourth proportional to 756,427.60, 1,134,641.40 and 682,699.60 is: 1,024,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,427.60 : 1,134,641.40 = 682,699.60 : x
  2. Step 2: Convert to fraction form
    756,427.60/1,134,641.40 = 682,699.60/x
  3. Step 3: Cross multiply
    756,427.60x = 1,134,641.40 × 682,699.60
  4. Step 4: Simplify right side
    756,427.60x = 774,619,229,923.44
  5. Step 5: Solve for x
    x = 774,619,229,923.44/756,427.60
  6. Step 6: Final answer
    x = 1,024,049.40

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Double scale
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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.