Home / 470,126.16-648,774.10-268,922.16

Finding the Fourth Proportional to 470,126.16, 648,774.10 and 268,922.16

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Solution

The fourth proportional to 470,126.16, 648,774.10 and 268,922.16 is: 371,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,126.16 : 648,774.10 = 268,922.16 : x
  2. Step 2: Convert to fraction form
    470,126.16/648,774.10 = 268,922.16/x
  3. Step 3: Cross multiply
    470,126.16x = 648,774.10 × 268,922.16
  4. Step 4: Simplify right side
    470,126.16x = 174,469,731,651.75
  5. Step 5: Solve for x
    x = 174,469,731,651.75/470,126.16
  6. Step 6: Final answer
    x = 371,112.58

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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.