Home / 1,463,153.46-2,019,230.21-818,535.21

Finding the Fourth Proportional to 1,463,153.46, 2,019,230.21 and 818,535.21

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Solution

The fourth proportional to 1,463,153.46, 2,019,230.21 and 818,535.21 is: 1,129,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,153.46 : 2,019,230.21 = 818,535.21 : x
  2. Step 2: Convert to fraction form
    1,463,153.46/2,019,230.21 = 818,535.21/x
  3. Step 3: Cross multiply
    1,463,153.46x = 2,019,230.21 × 818,535.21
  4. Step 4: Simplify right side
    1,463,153.46x = 1,652,811,023,980.69
  5. Step 5: Solve for x
    x = 1,652,811,023,980.69/1,463,153.46
  6. Step 6: Final answer
    x = 1,129,622.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.