Home / 826,172.30-1,239,383.52-293,566.70

Finding the Fourth Proportional to 826,172.30, 1,239,383.52 and 293,566.70

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Solution

The fourth proportional to 826,172.30, 1,239,383.52 and 293,566.70 is: 440,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,172.30 : 1,239,383.52 = 293,566.70 : x
  2. Step 2: Convert to fraction form
    826,172.30/1,239,383.52 = 293,566.70/x
  3. Step 3: Cross multiply
    826,172.30x = 1,239,383.52 × 293,566.70
  4. Step 4: Simplify right side
    826,172.30x = 363,841,730,000.78
  5. Step 5: Solve for x
    x = 363,841,730,000.78/826,172.30
  6. Step 6: Final answer
    x = 440,394.49

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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.