Home / 958,190.63-1,437,285.95-389,438.48

Finding the Fourth Proportional to 958,190.63, 1,437,285.95 and 389,438.48

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Solution

The fourth proportional to 958,190.63, 1,437,285.95 and 389,438.48 is: 584,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,190.63 : 1,437,285.95 = 389,438.48 : x
  2. Step 2: Convert to fraction form
    958,190.63/1,437,285.95 = 389,438.48/x
  3. Step 3: Cross multiply
    958,190.63x = 1,437,285.95 × 389,438.48
  4. Step 4: Simplify right side
    958,190.63x = 559,734,446,559.73
  5. Step 5: Solve for x
    x = 559,734,446,559.73/958,190.63
  6. Step 6: Final answer
    x = 584,157.71

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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.