Home / 1,223,496.80-1,835,245.20-663,624.80

Finding the Fourth Proportional to 1,223,496.80, 1,835,245.20 and 663,624.80

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Solution

The fourth proportional to 1,223,496.80, 1,835,245.20 and 663,624.80 is: 995,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,496.80 : 1,835,245.20 = 663,624.80 : x
  2. Step 2: Convert to fraction form
    1,223,496.80/1,835,245.20 = 663,624.80/x
  3. Step 3: Cross multiply
    1,223,496.80x = 1,835,245.20 × 663,624.80
  4. Step 4: Simplify right side
    1,223,496.80x = 1,217,914,228,800.96
  5. Step 5: Solve for x
    x = 1,217,914,228,800.96/1,223,496.80
  6. Step 6: Final answer
    x = 995,437.20

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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.