Home / 667,390.62-1,001,077.50-161,955.76

Finding the Fourth Proportional to 667,390.62, 1,001,077.50 and 161,955.76

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Solution

The fourth proportional to 667,390.62, 1,001,077.50 and 161,955.76 is: 242,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,390.62 : 1,001,077.50 = 161,955.76 : x
  2. Step 2: Convert to fraction form
    667,390.62/1,001,077.50 = 161,955.76/x
  3. Step 3: Cross multiply
    667,390.62x = 1,001,077.50 × 161,955.76
  4. Step 4: Simplify right side
    667,390.62x = 162,130,267,331.40
  5. Step 5: Solve for x
    x = 162,130,267,331.40/667,390.62
  6. Step 6: Final answer
    x = 242,931.59

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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.