Home / 925,715.28-1,389,361.92-365,143.44

Finding the Fourth Proportional to 925,715.28, 1,389,361.92 and 365,143.44

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Solution

The fourth proportional to 925,715.28, 1,389,361.92 and 365,143.44 is: 548,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,715.28 : 1,389,361.92 = 365,143.44 : x
  2. Step 2: Convert to fraction form
    925,715.28/1,389,361.92 = 365,143.44/x
  3. Step 3: Cross multiply
    925,715.28x = 1,389,361.92 × 365,143.44
  4. Step 4: Simplify right side
    925,715.28x = 507,316,390,873.81
  5. Step 5: Solve for x
    x = 507,316,390,873.81/925,715.28
  6. Step 6: Final answer
    x = 548,026.38

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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.