Home / 437,040.15-603,115.25-255,786.59

Finding the Fourth Proportional to 437,040.15, 603,115.25 and 255,786.59

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Solution

The fourth proportional to 437,040.15, 603,115.25 and 255,786.59 is: 352,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,040.15 : 603,115.25 = 255,786.59 : x
  2. Step 2: Convert to fraction form
    437,040.15/603,115.25 = 255,786.59/x
  3. Step 3: Cross multiply
    437,040.15x = 603,115.25 × 255,786.59
  4. Step 4: Simplify right side
    437,040.15x = 154,268,788,879.99
  5. Step 5: Solve for x
    x = 154,268,788,879.99/437,040.15
  6. Step 6: Final answer
    x = 352,985.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.