Home / 791,443.44-1,186,721.26-341,883.72

Finding the Fourth Proportional to 791,443.44, 1,186,721.26 and 341,883.72

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Solution

The fourth proportional to 791,443.44, 1,186,721.26 and 341,883.72 is: 512,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,443.44 : 1,186,721.26 = 341,883.72 : x
  2. Step 2: Convert to fraction form
    791,443.44/1,186,721.26 = 341,883.72/x
  3. Step 3: Cross multiply
    791,443.44x = 1,186,721.26 × 341,883.72
  4. Step 4: Simplify right side
    791,443.44x = 405,720,678,971.89
  5. Step 5: Solve for x
    x = 405,720,678,971.89/791,443.44
  6. Step 6: Final answer
    x = 512,633.83

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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.