Home / 831,706.14-1,147,754.31-449,733.18

Finding the Fourth Proportional to 831,706.14, 1,147,754.31 and 449,733.18

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Solution

The fourth proportional to 831,706.14, 1,147,754.31 and 449,733.18 is: 620,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,706.14 : 1,147,754.31 = 449,733.18 : x
  2. Step 2: Convert to fraction form
    831,706.14/1,147,754.31 = 449,733.18/x
  3. Step 3: Cross multiply
    831,706.14x = 1,147,754.31 × 449,733.18
  4. Step 4: Simplify right side
    831,706.14x = 516,183,195,695.01
  5. Step 5: Solve for x
    x = 516,183,195,695.01/831,706.14
  6. Step 6: Final answer
    x = 620,631.70

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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.