Home / 1,418,423.88-1,957,356.72-773,805.63

Finding the Fourth Proportional to 1,418,423.88, 1,957,356.72 and 773,805.63

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Solution

The fourth proportional to 1,418,423.88, 1,957,356.72 and 773,805.63 is: 1,067,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,423.88 : 1,957,356.72 = 773,805.63 : x
  2. Step 2: Convert to fraction form
    1,418,423.88/1,957,356.72 = 773,805.63/x
  3. Step 3: Cross multiply
    1,418,423.88x = 1,957,356.72 × 773,805.63
  4. Step 4: Simplify right side
    1,418,423.88x = 1,514,613,649,854.33
  5. Step 5: Solve for x
    x = 1,514,613,649,854.33/1,418,423.88
  6. Step 6: Final answer
    x = 1,067,814.54

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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.