Home / 439,690.82-659,436.60-223,330.24

Finding the Fourth Proportional to 439,690.82, 659,436.60 and 223,330.24

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Solution

The fourth proportional to 439,690.82, 659,436.60 and 223,330.24 is: 334,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,690.82 : 659,436.60 = 223,330.24 : x
  2. Step 2: Convert to fraction form
    439,690.82/659,436.60 = 223,330.24/x
  3. Step 3: Cross multiply
    439,690.82x = 659,436.60 × 223,330.24
  4. Step 4: Simplify right side
    439,690.82x = 147,272,130,845.60
  5. Step 5: Solve for x
    x = 147,272,130,845.60/439,690.82
  6. Step 6: Final answer
    x = 334,944.75

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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.