Home / 831,557.76-1,147,549.68-449,584.44

Finding the Fourth Proportional to 831,557.76, 1,147,549.68 and 449,584.44

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Solution

The fourth proportional to 831,557.76, 1,147,549.68 and 449,584.44 is: 620,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,557.76 : 1,147,549.68 = 449,584.44 : x
  2. Step 2: Convert to fraction form
    831,557.76/1,147,549.68 = 449,584.44/x
  3. Step 3: Cross multiply
    831,557.76x = 1,147,549.68 × 449,584.44
  4. Step 4: Simplify right side
    831,557.76x = 515,920,480,254.98
  5. Step 5: Solve for x
    x = 515,920,480,254.98/831,557.76
  6. Step 6: Final answer
    x = 620,426.51

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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.