Home / 553,719.52-764,140.08-327,363.04

Finding the Fourth Proportional to 553,719.52, 764,140.08 and 327,363.04

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Solution

The fourth proportional to 553,719.52, 764,140.08 and 327,363.04 is: 451,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,719.52 : 764,140.08 = 327,363.04 : x
  2. Step 2: Convert to fraction form
    553,719.52/764,140.08 = 327,363.04/x
  3. Step 3: Cross multiply
    553,719.52x = 764,140.08 × 327,363.04
  4. Step 4: Simplify right side
    553,719.52x = 250,151,219,574.64
  5. Step 5: Solve for x
    x = 250,151,219,574.64/553,719.52
  6. Step 6: Final answer
    x = 451,765.22

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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.