Home / 1,297,674.96-1,790,531.61-724,626.96

Finding the Fourth Proportional to 1,297,674.96, 1,790,531.61 and 724,626.96

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Solution

The fourth proportional to 1,297,674.96, 1,790,531.61 and 724,626.96 is: 999,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,674.96 : 1,790,531.61 = 724,626.96 : x
  2. Step 2: Convert to fraction form
    1,297,674.96/1,790,531.61 = 724,626.96/x
  3. Step 3: Cross multiply
    1,297,674.96x = 1,790,531.61 × 724,626.96
  4. Step 4: Simplify right side
    1,297,674.96x = 1,297,467,477,338.21
  5. Step 5: Solve for x
    x = 1,297,467,477,338.21/1,297,674.96
  6. Step 6: Final answer
    x = 999,840.11

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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.