Home / 741,760.50-1,112,541.12-209,324.28

Finding the Fourth Proportional to 741,760.50, 1,112,541.12 and 209,324.28

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Solution

The fourth proportional to 741,760.50, 1,112,541.12 and 209,324.28 is: 313,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,760.50 : 1,112,541.12 = 209,324.28 : x
  2. Step 2: Convert to fraction form
    741,760.50/1,112,541.12 = 209,324.28/x
  3. Step 3: Cross multiply
    741,760.50x = 1,112,541.12 × 209,324.28
  4. Step 4: Simplify right side
    741,760.50x = 232,881,868,914.39
  5. Step 5: Solve for x
    x = 232,881,868,914.39/741,760.50
  6. Step 6: Final answer
    x = 313,958.30

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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.