Home / 831,105.50-1,146,876.23-482,218.94

Finding the Fourth Proportional to 831,105.50, 1,146,876.23 and 482,218.94

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Solution

The fourth proportional to 831,105.50, 1,146,876.23 and 482,218.94 is: 665,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,105.50 : 1,146,876.23 = 482,218.94 : x
  2. Step 2: Convert to fraction form
    831,105.50/1,146,876.23 = 482,218.94/x
  3. Step 3: Cross multiply
    831,105.50x = 1,146,876.23 × 482,218.94
  4. Step 4: Simplify right side
    831,105.50x = 553,045,434,207.42
  5. Step 5: Solve for x
    x = 553,045,434,207.42/831,105.50
  6. Step 6: Final answer
    x = 665,433.49

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Double scale
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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.