Home / 405,435.66-559,590.03-235,767.66

Finding the Fourth Proportional to 405,435.66, 559,590.03 and 235,767.66

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Solution

The fourth proportional to 405,435.66, 559,590.03 and 235,767.66 is: 325,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,435.66 : 559,590.03 = 235,767.66 : x
  2. Step 2: Convert to fraction form
    405,435.66/559,590.03 = 235,767.66/x
  3. Step 3: Cross multiply
    405,435.66x = 559,590.03 × 235,767.66
  4. Step 4: Simplify right side
    405,435.66x = 131,933,231,932.43
  5. Step 5: Solve for x
    x = 131,933,231,932.43/405,435.66
  6. Step 6: Final answer
    x = 325,411.02

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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.