Home / 811,602.78-1,217,557.17-250,506.06

Finding the Fourth Proportional to 811,602.78, 1,217,557.17 and 250,506.06

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Solution

The fourth proportional to 811,602.78, 1,217,557.17 and 250,506.06 is: 375,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,602.78 : 1,217,557.17 = 250,506.06 : x
  2. Step 2: Convert to fraction form
    811,602.78/1,217,557.17 = 250,506.06/x
  3. Step 3: Cross multiply
    811,602.78x = 1,217,557.17 × 250,506.06
  4. Step 4: Simplify right side
    811,602.78x = 305,005,449,481.45
  5. Step 5: Solve for x
    x = 305,005,449,481.45/811,602.78
  6. Step 6: Final answer
    x = 375,806.31

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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.