Home / 831,597.56-1,147,604.41-469,020.68

Finding the Fourth Proportional to 831,597.56, 1,147,604.41 and 469,020.68

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Solution

The fourth proportional to 831,597.56, 1,147,604.41 and 469,020.68 is: 647,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,597.56 : 1,147,604.41 = 469,020.68 : x
  2. Step 2: Convert to fraction form
    831,597.56/1,147,604.41 = 469,020.68/x
  3. Step 3: Cross multiply
    831,597.56x = 1,147,604.41 × 469,020.68
  4. Step 4: Simplify right side
    831,597.56x = 538,250,197,262.73
  5. Step 5: Solve for x
    x = 538,250,197,262.73/831,597.56
  6. Step 6: Final answer
    x = 647,248.41

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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.