Home / 812,037.61-1,120,583.33-449,462.17

Finding the Fourth Proportional to 812,037.61, 1,120,583.33 and 449,462.17

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Solution

The fourth proportional to 812,037.61, 1,120,583.33 and 449,462.17 is: 620,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,037.61 : 1,120,583.33 = 449,462.17 : x
  2. Step 2: Convert to fraction form
    812,037.61/1,120,583.33 = 449,462.17/x
  3. Step 3: Cross multiply
    812,037.61x = 1,120,583.33 × 449,462.17
  4. Step 4: Simplify right side
    812,037.61x = 503,659,812,920.32
  5. Step 5: Solve for x
    x = 503,659,812,920.32/812,037.61
  6. Step 6: Final answer
    x = 620,241.98

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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.