Home / 826,026.93-1,239,040.47-293,568.98

Finding the Fourth Proportional to 826,026.93, 1,239,040.47 and 293,568.98

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Solution

The fourth proportional to 826,026.93, 1,239,040.47 and 293,568.98 is: 440,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,026.93 : 1,239,040.47 = 293,568.98 : x
  2. Step 2: Convert to fraction form
    826,026.93/1,239,040.47 = 293,568.98/x
  3. Step 3: Cross multiply
    826,026.93x = 1,239,040.47 × 293,568.98
  4. Step 4: Simplify right side
    826,026.93x = 363,743,840,761.42
  5. Step 5: Solve for x
    x = 363,743,840,761.42/826,026.93
  6. Step 6: Final answer
    x = 440,353.49

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Half scale
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Double scale
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Similar ratio
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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.