Home / 447,480.32-617,511.12-243,535.28

Finding the Fourth Proportional to 447,480.32, 617,511.12 and 243,535.28

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Solution

The fourth proportional to 447,480.32, 617,511.12 and 243,535.28 is: 336,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,480.32 : 617,511.12 = 243,535.28 : x
  2. Step 2: Convert to fraction form
    447,480.32/617,511.12 = 243,535.28/x
  3. Step 3: Cross multiply
    447,480.32x = 617,511.12 × 243,535.28
  4. Step 4: Simplify right side
    447,480.32x = 150,385,743,512.31
  5. Step 5: Solve for x
    x = 150,385,743,512.31/447,480.32
  6. Step 6: Final answer
    x = 336,072.31

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1.5x scale

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.