Home / 669,109.56-1,003,703.03-189,297.17

Finding the Fourth Proportional to 669,109.56, 1,003,703.03 and 189,297.17

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Solution

The fourth proportional to 669,109.56, 1,003,703.03 and 189,297.17 is: 283,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,109.56 : 1,003,703.03 = 189,297.17 : x
  2. Step 2: Convert to fraction form
    669,109.56/1,003,703.03 = 189,297.17/x
  3. Step 3: Cross multiply
    669,109.56x = 1,003,703.03 × 189,297.17
  4. Step 4: Simplify right side
    669,109.56x = 189,998,139,357.89
  5. Step 5: Solve for x
    x = 189,998,139,357.89/669,109.56
  6. Step 6: Final answer
    x = 283,956.70

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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.