Home / 1,284,000.93-1,771,919.69-711,040.41

Finding the Fourth Proportional to 1,284,000.93, 1,771,919.69 and 711,040.41

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Solution

The fourth proportional to 1,284,000.93, 1,771,919.69 and 711,040.41 is: 981,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,000.93 : 1,771,919.69 = 711,040.41 : x
  2. Step 2: Convert to fraction form
    1,284,000.93/1,771,919.69 = 711,040.41/x
  3. Step 3: Cross multiply
    1,284,000.93x = 1,771,919.69 × 711,040.41
  4. Step 4: Simplify right side
    1,284,000.93x = 1,259,906,499,309.47
  5. Step 5: Solve for x
    x = 1,259,906,499,309.47/1,284,000.93
  6. Step 6: Final answer
    x = 981,234.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.