Home / 819,624.44-1,228,692.38-286,854.83

Finding the Fourth Proportional to 819,624.44, 1,228,692.38 and 286,854.83

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Solution

The fourth proportional to 819,624.44, 1,228,692.38 and 286,854.83 is: 430,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,624.44 : 1,228,692.38 = 286,854.83 : x
  2. Step 2: Convert to fraction form
    819,624.44/1,228,692.38 = 286,854.83/x
  3. Step 3: Cross multiply
    819,624.44x = 1,228,692.38 × 286,854.83
  4. Step 4: Simplify right side
    819,624.44x = 352,456,347,728.45
  5. Step 5: Solve for x
    x = 352,456,347,728.45/819,624.44
  6. Step 6: Final answer
    x = 430,021.77

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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.