Home / 958,451.82-1,437,138.25-318,412.90

Finding the Fourth Proportional to 958,451.82, 1,437,138.25 and 318,412.90

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Solution

The fourth proportional to 958,451.82, 1,437,138.25 and 318,412.90 is: 477,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,451.82 : 1,437,138.25 = 318,412.90 : x
  2. Step 2: Convert to fraction form
    958,451.82/1,437,138.25 = 318,412.90/x
  3. Step 3: Cross multiply
    958,451.82x = 1,437,138.25 × 318,412.90
  4. Step 4: Simplify right side
    958,451.82x = 457,603,357,883.43
  5. Step 5: Solve for x
    x = 457,603,357,883.43/958,451.82
  6. Step 6: Final answer
    x = 477,440.13

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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.