Home / 405,435.16-559,589.34-235,767.16

Finding the Fourth Proportional to 405,435.16, 559,589.34 and 235,767.16

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Solution

The fourth proportional to 405,435.16, 559,589.34 and 235,767.16 is: 325,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,435.16 : 559,589.34 = 235,767.16 : x
  2. Step 2: Convert to fraction form
    405,435.16/559,589.34 = 235,767.16/x
  3. Step 3: Cross multiply
    405,435.16x = 559,589.34 × 235,767.16
  4. Step 4: Simplify right side
    405,435.16x = 131,932,789,458.07
  5. Step 5: Solve for x
    x = 131,932,789,458.07/405,435.16
  6. Step 6: Final answer
    x = 325,410.33

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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.