Home / 405,719.10-559,843.58-233,693.02

Finding the Fourth Proportional to 405,719.10, 559,843.58 and 233,693.02

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Solution

The fourth proportional to 405,719.10, 559,843.58 and 233,693.02 is: 322,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,719.10 : 559,843.58 = 233,693.02 : x
  2. Step 2: Convert to fraction form
    405,719.10/559,843.58 = 233,693.02/x
  3. Step 3: Cross multiply
    405,719.10x = 559,843.58 × 233,693.02
  4. Step 4: Simplify right side
    405,719.10x = 130,831,533,758.21
  5. Step 5: Solve for x
    x = 130,831,533,758.21/405,719.10
  6. Step 6: Final answer
    x = 322,468.26

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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.