Home / 667,001.56-1,000,530.01-193,686.92

Finding the Fourth Proportional to 667,001.56, 1,000,530.01 and 193,686.92

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Solution

The fourth proportional to 667,001.56, 1,000,530.01 and 193,686.92 is: 290,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,001.56 : 1,000,530.01 = 193,686.92 : x
  2. Step 2: Convert to fraction form
    667,001.56/1,000,530.01 = 193,686.92/x
  3. Step 3: Cross multiply
    667,001.56x = 1,000,530.01 × 193,686.92
  4. Step 4: Simplify right side
    667,001.56x = 193,789,576,004.47
  5. Step 5: Solve for x
    x = 193,789,576,004.47/667,001.56
  6. Step 6: Final answer
    x = 290,538.41

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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.