Home / 831,654.03-1,147,683.38-449,680.71

Finding the Fourth Proportional to 831,654.03, 1,147,683.38 and 449,680.71

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Solution

The fourth proportional to 831,654.03, 1,147,683.38 and 449,680.71 is: 620,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,654.03 : 1,147,683.38 = 449,680.71 : x
  2. Step 2: Convert to fraction form
    831,654.03/1,147,683.38 = 449,680.71/x
  3. Step 3: Cross multiply
    831,654.03x = 1,147,683.38 × 449,680.71
  4. Step 4: Simplify right side
    831,654.03x = 516,091,074,925.20
  5. Step 5: Solve for x
    x = 516,091,074,925.20/831,654.03
  6. Step 6: Final answer
    x = 620,559.82

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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.