Home / 1,608,789.14-2,220,515.65-920,859.83

Finding the Fourth Proportional to 1,608,789.14, 2,220,515.65 and 920,859.83

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Solution

The fourth proportional to 1,608,789.14, 2,220,515.65 and 920,859.83 is: 1,271,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,789.14 : 2,220,515.65 = 920,859.83 : x
  2. Step 2: Convert to fraction form
    1,608,789.14/2,220,515.65 = 920,859.83/x
  3. Step 3: Cross multiply
    1,608,789.14x = 2,220,515.65 × 920,859.83
  4. Step 4: Simplify right side
    1,608,789.14x = 2,044,783,662,346.77
  5. Step 5: Solve for x
    x = 2,044,783,662,346.77/1,608,789.14
  6. Step 6: Final answer
    x = 1,271,007.87

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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.