Home / 843,815.92-1,265,800.78-275,051.03

Finding the Fourth Proportional to 843,815.92, 1,265,800.78 and 275,051.03

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Solution

The fourth proportional to 843,815.92, 1,265,800.78 and 275,051.03 is: 412,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,815.92 : 1,265,800.78 = 275,051.03 : x
  2. Step 2: Convert to fraction form
    843,815.92/1,265,800.78 = 275,051.03/x
  3. Step 3: Cross multiply
    843,815.92x = 1,265,800.78 × 275,051.03
  4. Step 4: Simplify right side
    843,815.92x = 348,159,807,165.49
  5. Step 5: Solve for x
    x = 348,159,807,165.49/843,815.92
  6. Step 6: Final answer
    x = 412,601.61

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1.5x scale

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.