Home / 437,420.13-603,639.78-236,216.13

Finding the Fourth Proportional to 437,420.13, 603,639.78 and 236,216.13

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Solution

The fourth proportional to 437,420.13, 603,639.78 and 236,216.13 is: 325,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,420.13 : 603,639.78 = 236,216.13 : x
  2. Step 2: Convert to fraction form
    437,420.13/603,639.78 = 236,216.13/x
  3. Step 3: Cross multiply
    437,420.13x = 603,639.78 × 236,216.13
  4. Step 4: Simplify right side
    437,420.13x = 142,589,452,745.65
  5. Step 5: Solve for x
    x = 142,589,452,745.65/437,420.13
  6. Step 6: Final answer
    x = 325,978.26

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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.