Home / 1,133,496.50-1,561,564.55-788,739.54

Finding the Fourth Proportional to 1,133,496.50, 1,561,564.55 and 788,739.54

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Solution

The fourth proportional to 1,133,496.50, 1,561,564.55 and 788,739.54 is: 1,086,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,496.50 : 1,561,564.55 = 788,739.54 : x
  2. Step 2: Convert to fraction form
    1,133,496.50/1,561,564.55 = 788,739.54/x
  3. Step 3: Cross multiply
    1,133,496.50x = 1,561,564.55 × 788,739.54
  4. Step 4: Simplify right side
    1,133,496.50x = 1,231,667,707,528.76
  5. Step 5: Solve for x
    x = 1,231,667,707,528.76/1,133,496.50
  6. Step 6: Final answer
    x = 1,086,609.18

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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.