Home / 742,101.84-1,113,198.90-268,791.30

Finding the Fourth Proportional to 742,101.84, 1,113,198.90 and 268,791.30

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Solution

The fourth proportional to 742,101.84, 1,113,198.90 and 268,791.30 is: 403,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,101.84 : 1,113,198.90 = 268,791.30 : x
  2. Step 2: Convert to fraction form
    742,101.84/1,113,198.90 = 268,791.30/x
  3. Step 3: Cross multiply
    742,101.84x = 1,113,198.90 × 268,791.30
  4. Step 4: Simplify right side
    742,101.84x = 299,218,179,489.57
  5. Step 5: Solve for x
    x = 299,218,179,489.57/742,101.84
  6. Step 6: Final answer
    x = 403,203.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.