Home / 826,081.16-1,239,135.42-227,038.64

Finding the Fourth Proportional to 826,081.16, 1,239,135.42 and 227,038.64

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Solution

The fourth proportional to 826,081.16, 1,239,135.42 and 227,038.64 is: 340,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,081.16 : 1,239,135.42 = 227,038.64 : x
  2. Step 2: Convert to fraction form
    826,081.16/1,239,135.42 = 227,038.64/x
  3. Step 3: Cross multiply
    826,081.16x = 1,239,135.42 × 227,038.64
  4. Step 4: Simplify right side
    826,081.16x = 281,331,620,532.63
  5. Step 5: Solve for x
    x = 281,331,620,532.63/826,081.16
  6. Step 6: Final answer
    x = 340,561.72

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Double scale
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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.