Home / 439,739.98-659,477.94-187,018.36

Finding the Fourth Proportional to 439,739.98, 659,477.94 and 187,018.36

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Solution

The fourth proportional to 439,739.98, 659,477.94 and 187,018.36 is: 280,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,739.98 : 659,477.94 = 187,018.36 : x
  2. Step 2: Convert to fraction form
    439,739.98/659,477.94 = 187,018.36/x
  3. Step 3: Cross multiply
    439,739.98x = 659,477.94 × 187,018.36
  4. Step 4: Simplify right side
    439,739.98x = 123,334,482,794.98
  5. Step 5: Solve for x
    x = 123,334,482,794.98/439,739.98
  6. Step 6: Final answer
    x = 280,471.39

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1.5x scale

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.