Home / 831,930.55-1,147,965.41-469,333.24

Finding the Fourth Proportional to 831,930.55, 1,147,965.41 and 469,333.24

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Solution

The fourth proportional to 831,930.55, 1,147,965.41 and 469,333.24 is: 647,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,930.55 : 1,147,965.41 = 469,333.24 : x
  2. Step 2: Convert to fraction form
    831,930.55/1,147,965.41 = 469,333.24/x
  3. Step 3: Cross multiply
    831,930.55x = 1,147,965.41 × 469,333.24
  4. Step 4: Simplify right side
    831,930.55x = 538,778,323,586.65
  5. Step 5: Solve for x
    x = 538,778,323,586.65/831,930.55
  6. Step 6: Final answer
    x = 647,624.16

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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.