Home / 1,418,343-1,957,318.08-773,776.80

Finding the Fourth Proportional to 1,418,343, 1,957,318.08 and 773,776.80

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Solution

The fourth proportional to 1,418,343, 1,957,318.08 and 773,776.80 is: 1,067,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,343 : 1,957,318.08 = 773,776.80 : x
  2. Step 2: Convert to fraction form
    1,418,343/1,957,318.08 = 773,776.80/x
  3. Step 3: Cross multiply
    1,418,343x = 1,957,318.08 × 773,776.80
  4. Step 4: Simplify right side
    1,418,343x = 1,514,527,320,524.54
  5. Step 5: Solve for x
    x = 1,514,527,320,524.54/1,418,343
  6. Step 6: Final answer
    x = 1,067,814.57

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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.