Home / 451,776.12-623,346.40-270,419.12

Finding the Fourth Proportional to 451,776.12, 623,346.40 and 270,419.12

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Solution

The fourth proportional to 451,776.12, 623,346.40 and 270,419.12 is: 373,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,776.12 : 623,346.40 = 270,419.12 : x
  2. Step 2: Convert to fraction form
    451,776.12/623,346.40 = 270,419.12/x
  3. Step 3: Cross multiply
    451,776.12x = 623,346.40 × 270,419.12
  4. Step 4: Simplify right side
    451,776.12x = 168,564,784,943.17
  5. Step 5: Solve for x
    x = 168,564,784,943.17/451,776.12
  6. Step 6: Final answer
    x = 373,115.75

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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.