Home / 958,458.87-1,437,148.85-318,419.96

Finding the Fourth Proportional to 958,458.87, 1,437,148.85 and 318,419.96

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Solution

The fourth proportional to 958,458.87, 1,437,148.85 and 318,419.96 is: 477,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,458.87 : 1,437,148.85 = 318,419.96 : x
  2. Step 2: Convert to fraction form
    958,458.87/1,437,148.85 = 318,419.96/x
  3. Step 3: Cross multiply
    958,458.87x = 1,437,148.85 × 318,419.96
  4. Step 4: Simplify right side
    958,458.87x = 457,616,870,553.20
  5. Step 5: Solve for x
    x = 457,616,870,553.20/958,458.87
  6. Step 6: Final answer
    x = 477,450.71

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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.