Home / 447,565.11-617,656.15-243,606.17

Finding the Fourth Proportional to 447,565.11, 617,656.15 and 243,606.17

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Solution

The fourth proportional to 447,565.11, 617,656.15 and 243,606.17 is: 336,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,565.11 : 617,656.15 = 243,606.17 : x
  2. Step 2: Convert to fraction form
    447,565.11/617,656.15 = 243,606.17/x
  3. Step 3: Cross multiply
    447,565.11x = 617,656.15 × 243,606.17
  4. Step 4: Simplify right side
    447,565.11x = 150,464,850,927.09
  5. Step 5: Solve for x
    x = 150,464,850,927.09/447,565.11
  6. Step 6: Final answer
    x = 336,185.39

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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.