Home / 831,984.06-1,248,162.80-263,399.16

Finding the Fourth Proportional to 831,984.06, 1,248,162.80 and 263,399.16

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Solution

The fourth proportional to 831,984.06, 1,248,162.80 and 263,399.16 is: 395,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,984.06 : 1,248,162.80 = 263,399.16 : x
  2. Step 2: Convert to fraction form
    831,984.06/1,248,162.80 = 263,399.16/x
  3. Step 3: Cross multiply
    831,984.06x = 1,248,162.80 × 263,399.16
  4. Step 4: Simplify right side
    831,984.06x = 328,765,033,063.25
  5. Step 5: Solve for x
    x = 328,765,033,063.25/831,984.06
  6. Step 6: Final answer
    x = 395,157.85

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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.