Home / 831,462.30-1,247,193.45-823,589.10

Finding the Fourth Proportional to 831,462.30, 1,247,193.45 and 823,589.10

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Solution

The fourth proportional to 831,462.30, 1,247,193.45 and 823,589.10 is: 1,235,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,462.30 : 1,247,193.45 = 823,589.10 : x
  2. Step 2: Convert to fraction form
    831,462.30/1,247,193.45 = 823,589.10/x
  3. Step 3: Cross multiply
    831,462.30x = 1,247,193.45 × 823,589.10
  4. Step 4: Simplify right side
    831,462.30x = 1,027,174,931,011.39
  5. Step 5: Solve for x
    x = 1,027,174,931,011.39/831,462.30
  6. Step 6: Final answer
    x = 1,235,383.65

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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.