Home / 1,877,519.91-2,815,035.54-679,286.31

Finding the Fourth Proportional to 1,877,519.91, 2,815,035.54 and 679,286.31

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Solution

The fourth proportional to 1,877,519.91, 2,815,035.54 and 679,286.31 is: 1,018,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,519.91 : 2,815,035.54 = 679,286.31 : x
  2. Step 2: Convert to fraction form
    1,877,519.91/2,815,035.54 = 679,286.31/x
  3. Step 3: Cross multiply
    1,877,519.91x = 2,815,035.54 × 679,286.31
  4. Step 4: Simplify right side
    1,877,519.91x = 1,912,215,104,485.46
  5. Step 5: Solve for x
    x = 1,912,215,104,485.46/1,877,519.91
  6. Step 6: Final answer
    x = 1,018,479.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.