Home / 1,123,581.96-1,550,421.54-664,713.72

Finding the Fourth Proportional to 1,123,581.96, 1,550,421.54 and 664,713.72

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Solution

The fourth proportional to 1,123,581.96, 1,550,421.54 and 664,713.72 is: 917,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,581.96 : 1,550,421.54 = 664,713.72 : x
  2. Step 2: Convert to fraction form
    1,123,581.96/1,550,421.54 = 664,713.72/x
  3. Step 3: Cross multiply
    1,123,581.96x = 1,550,421.54 × 664,713.72
  4. Step 4: Simplify right side
    1,123,581.96x = 1,030,586,469,421.53
  5. Step 5: Solve for x
    x = 1,030,586,469,421.53/1,123,581.96
  6. Step 6: Final answer
    x = 917,233.02

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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.