Home / 831,977.06-1,248,152.29-263,392.16

Finding the Fourth Proportional to 831,977.06, 1,248,152.29 and 263,392.16

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Solution

The fourth proportional to 831,977.06, 1,248,152.29 and 263,392.16 is: 395,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,977.06 : 1,248,152.29 = 263,392.16 : x
  2. Step 2: Convert to fraction form
    831,977.06/1,248,152.29 = 263,392.16/x
  3. Step 3: Cross multiply
    831,977.06x = 1,248,152.29 × 263,392.16
  4. Step 4: Simplify right side
    831,977.06x = 328,753,520,772.81
  5. Step 5: Solve for x
    x = 328,753,520,772.81/831,977.06
  6. Step 6: Final answer
    x = 395,147.34

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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.