Home / 405,345.06-559,410.71-235,568.25

Finding the Fourth Proportional to 405,345.06, 559,410.71 and 235,568.25

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Solution

The fourth proportional to 405,345.06, 559,410.71 and 235,568.25 is: 325,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,345.06 : 559,410.71 = 235,568.25 : x
  2. Step 2: Convert to fraction form
    405,345.06/559,410.71 = 235,568.25/x
  3. Step 3: Cross multiply
    405,345.06x = 559,410.71 × 235,568.25
  4. Step 4: Simplify right side
    405,345.06x = 131,779,400,808.12
  5. Step 5: Solve for x
    x = 131,779,400,808.12/405,345.06
  6. Step 6: Final answer
    x = 325,104.25

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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.