Home / 1,393,167.28-1,922,780.99-849,618.37

Finding the Fourth Proportional to 1,393,167.28, 1,922,780.99 and 849,618.37

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Solution

The fourth proportional to 1,393,167.28, 1,922,780.99 and 849,618.37 is: 1,172,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,167.28 : 1,922,780.99 = 849,618.37 : x
  2. Step 2: Convert to fraction form
    1,393,167.28/1,922,780.99 = 849,618.37/x
  3. Step 3: Cross multiply
    1,393,167.28x = 1,922,780.99 × 849,618.37
  4. Step 4: Simplify right side
    1,393,167.28x = 1,633,630,050,590.79
  5. Step 5: Solve for x
    x = 1,633,630,050,590.79/1,393,167.28
  6. Step 6: Final answer
    x = 1,172,601.51

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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.