Home / 472,922.57-709,364.00-220,116.11

Finding the Fourth Proportional to 472,922.57, 709,364.00 and 220,116.11

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Solution

The fourth proportional to 472,922.57, 709,364.00 and 220,116.11 is: 330,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,922.57 : 709,364.00 = 220,116.11 : x
  2. Step 2: Convert to fraction form
    472,922.57/709,364.00 = 220,116.11/x
  3. Step 3: Cross multiply
    472,922.57x = 709,364.00 × 220,116.11
  4. Step 4: Simplify right side
    472,922.57x = 156,142,441,257.51
  5. Step 5: Solve for x
    x = 156,142,441,257.51/472,922.57
  6. Step 6: Final answer
    x = 330,164.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.