Home / 843,815.46-1,265,800.10-275,050.57

Finding the Fourth Proportional to 843,815.46, 1,265,800.10 and 275,050.57

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Solution

The fourth proportional to 843,815.46, 1,265,800.10 and 275,050.57 is: 412,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,815.46 : 1,265,800.10 = 275,050.57 : x
  2. Step 2: Convert to fraction form
    843,815.46/1,265,800.10 = 275,050.57/x
  3. Step 3: Cross multiply
    843,815.46x = 1,265,800.10 × 275,050.57
  4. Step 4: Simplify right side
    843,815.46x = 348,159,039,804.84
  5. Step 5: Solve for x
    x = 348,159,039,804.84/843,815.46
  6. Step 6: Final answer
    x = 412,600.93

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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.