Home / 447,774.90-617,928.39-243,822.66

Finding the Fourth Proportional to 447,774.90, 617,928.39 and 243,822.66

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Solution

The fourth proportional to 447,774.90, 617,928.39 and 243,822.66 is: 336,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,774.90 : 617,928.39 = 243,822.66 : x
  2. Step 2: Convert to fraction form
    447,774.90/617,928.39 = 243,822.66/x
  3. Step 3: Cross multiply
    447,774.90x = 617,928.39 × 243,822.66
  4. Step 4: Simplify right side
    447,774.90x = 150,664,943,739.32
  5. Step 5: Solve for x
    x = 150,664,943,739.32/447,774.90
  6. Step 6: Final answer
    x = 336,474.74

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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.