Home / 1,211,604.57-1,817,622.90-402,037.56

Finding the Fourth Proportional to 1,211,604.57, 1,817,622.90 and 402,037.56

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Solution

The fourth proportional to 1,211,604.57, 1,817,622.90 and 402,037.56 is: 603,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,604.57 : 1,817,622.90 = 402,037.56 : x
  2. Step 2: Convert to fraction form
    1,211,604.57/1,817,622.90 = 402,037.56/x
  3. Step 3: Cross multiply
    1,211,604.57x = 1,817,622.90 × 402,037.56
  4. Step 4: Simplify right side
    1,211,604.57x = 730,752,675,716.12
  5. Step 5: Solve for x
    x = 730,752,675,716.12/1,211,604.57
  6. Step 6: Final answer
    x = 603,128.03

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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.