Home / 958,451.96-1,437,138.30-318,413

Finding the Fourth Proportional to 958,451.96, 1,437,138.30 and 318,413

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Solution

The fourth proportional to 958,451.96, 1,437,138.30 and 318,413 is: 477,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,451.96 : 1,437,138.30 = 318,413 : x
  2. Step 2: Convert to fraction form
    958,451.96/1,437,138.30 = 318,413/x
  3. Step 3: Cross multiply
    958,451.96x = 1,437,138.30 × 318,413
  4. Step 4: Simplify right side
    958,451.96x = 457,603,517,517.90
  5. Step 5: Solve for x
    x = 457,603,517,517.90/958,451.96
  6. Step 6: Final answer
    x = 477,440.22

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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.