Home / 1,869,003.76-2,803,198.80-521,257.84

Finding the Fourth Proportional to 1,869,003.76, 2,803,198.80 and 521,257.84

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Solution

The fourth proportional to 1,869,003.76, 2,803,198.80 and 521,257.84 is: 781,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,003.76 : 2,803,198.80 = 521,257.84 : x
  2. Step 2: Convert to fraction form
    1,869,003.76/2,803,198.80 = 521,257.84/x
  3. Step 3: Cross multiply
    1,869,003.76x = 2,803,198.80 × 521,257.84
  4. Step 4: Simplify right side
    1,869,003.76x = 1,461,189,351,578.59
  5. Step 5: Solve for x
    x = 1,461,189,351,578.59/1,869,003.76
  6. Step 6: Final answer
    x = 781,801.18

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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.