Home / 1,284,002.43-1,771,921.76-711,041.91

Finding the Fourth Proportional to 1,284,002.43, 1,771,921.76 and 711,041.91

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Solution

The fourth proportional to 1,284,002.43, 1,771,921.76 and 711,041.91 is: 981,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,002.43 : 1,771,921.76 = 711,041.91 : x
  2. Step 2: Convert to fraction form
    1,284,002.43/1,771,921.76 = 711,041.91/x
  3. Step 3: Cross multiply
    1,284,002.43x = 1,771,921.76 × 711,041.91
  4. Step 4: Simplify right side
    1,284,002.43x = 1,259,910,629,045.75
  5. Step 5: Solve for x
    x = 1,259,910,629,045.75/1,284,002.43
  6. Step 6: Final answer
    x = 981,236.95

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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.