Home / 1,297,759.93-1,790,648.61-724,711.93

Finding the Fourth Proportional to 1,297,759.93, 1,790,648.61 and 724,711.93

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Solution

The fourth proportional to 1,297,759.93, 1,790,648.61 and 724,711.93 is: 999,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,759.93 : 1,790,648.61 = 724,711.93 : x
  2. Step 2: Convert to fraction form
    1,297,759.93/1,790,648.61 = 724,711.93/x
  3. Step 3: Cross multiply
    1,297,759.93x = 1,790,648.61 × 724,711.93
  4. Step 4: Simplify right side
    1,297,759.93x = 1,297,704,410,104.92
  5. Step 5: Solve for x
    x = 1,297,704,410,104.92/1,297,759.93
  6. Step 6: Final answer
    x = 999,957.22

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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.