Home / 487,821.44-731,780.16-150,848.96

Finding the Fourth Proportional to 487,821.44, 731,780.16 and 150,848.96

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Solution

The fourth proportional to 487,821.44, 731,780.16 and 150,848.96 is: 226,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,821.44 : 731,780.16 = 150,848.96 : x
  2. Step 2: Convert to fraction form
    487,821.44/731,780.16 = 150,848.96/x
  3. Step 3: Cross multiply
    487,821.44x = 731,780.16 × 150,848.96
  4. Step 4: Simplify right side
    487,821.44x = 110,388,276,084.63
  5. Step 5: Solve for x
    x = 110,388,276,084.63/487,821.44
  6. Step 6: Final answer
    x = 226,288.28

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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.