Home / 470,926.53-648,780.30-327,437.46

Finding the Fourth Proportional to 470,926.53, 648,780.30 and 327,437.46

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Solution

The fourth proportional to 470,926.53, 648,780.30 and 327,437.46 is: 451,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,926.53 : 648,780.30 = 327,437.46 : x
  2. Step 2: Convert to fraction form
    470,926.53/648,780.30 = 327,437.46/x
  3. Step 3: Cross multiply
    470,926.53x = 648,780.30 × 327,437.46
  4. Step 4: Simplify right side
    470,926.53x = 212,434,973,530.04
  5. Step 5: Solve for x
    x = 212,434,973,530.04/470,926.53
  6. Step 6: Final answer
    x = 451,100.03

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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.