Home / 826,169.80-1,239,379.78-293,564.20

Finding the Fourth Proportional to 826,169.80, 1,239,379.78 and 293,564.20

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Solution

The fourth proportional to 826,169.80, 1,239,379.78 and 293,564.20 is: 440,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,169.80 : 1,239,379.78 = 293,564.20 : x
  2. Step 2: Convert to fraction form
    826,169.80/1,239,379.78 = 293,564.20/x
  3. Step 3: Cross multiply
    826,169.80x = 1,239,379.78 × 293,564.20
  4. Step 4: Simplify right side
    826,169.80x = 363,837,533,611.88
  5. Step 5: Solve for x
    x = 363,837,533,611.88/826,169.80
  6. Step 6: Final answer
    x = 440,390.74

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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.