Home / 874,077.35-1,310,991.46-275,022.95

Finding the Fourth Proportional to 874,077.35, 1,310,991.46 and 275,022.95

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Solution

The fourth proportional to 874,077.35, 1,310,991.46 and 275,022.95 is: 412,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,077.35 : 1,310,991.46 = 275,022.95 : x
  2. Step 2: Convert to fraction form
    874,077.35/1,310,991.46 = 275,022.95/x
  3. Step 3: Cross multiply
    874,077.35x = 1,310,991.46 × 275,022.95
  4. Step 4: Simplify right side
    874,077.35x = 360,552,732,199.05
  5. Step 5: Solve for x
    x = 360,552,732,199.05/874,077.35
  6. Step 6: Final answer
    x = 412,495.23

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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.