Home / 831,936.47-1,244,621.30-630,113.96

Finding the Fourth Proportional to 831,936.47, 1,244,621.30 and 630,113.96

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Solution

The fourth proportional to 831,936.47, 1,244,621.30 and 630,113.96 is: 942,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,936.47 : 1,244,621.30 = 630,113.96 : x
  2. Step 2: Convert to fraction form
    831,936.47/1,244,621.30 = 630,113.96/x
  3. Step 3: Cross multiply
    831,936.47x = 1,244,621.30 × 630,113.96
  4. Step 4: Simplify right side
    831,936.47x = 784,253,252,892.78
  5. Step 5: Solve for x
    x = 784,253,252,892.78/831,936.47
  6. Step 6: Final answer
    x = 942,684.06

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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.