Home / 447,577.12-617,672.72-243,618.16

Finding the Fourth Proportional to 447,577.12, 617,672.72 and 243,618.16

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Solution

The fourth proportional to 447,577.12, 617,672.72 and 243,618.16 is: 336,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,577.12 : 617,672.72 = 243,618.16 : x
  2. Step 2: Convert to fraction form
    447,577.12/617,672.72 = 243,618.16/x
  3. Step 3: Cross multiply
    447,577.12x = 617,672.72 × 243,618.16
  4. Step 4: Simplify right side
    447,577.12x = 150,476,291,528.60
  5. Step 5: Solve for x
    x = 150,476,291,528.60/447,577.12
  6. Step 6: Final answer
    x = 336,201.93

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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.