Home / 790,474.14-1,090,117.44-731,760.48

Finding the Fourth Proportional to 790,474.14, 1,090,117.44 and 731,760.48

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Solution

The fourth proportional to 790,474.14, 1,090,117.44 and 731,760.48 is: 1,009,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,474.14 : 1,090,117.44 = 731,760.48 : x
  2. Step 2: Convert to fraction form
    790,474.14/1,090,117.44 = 731,760.48/x
  3. Step 3: Cross multiply
    790,474.14x = 1,090,117.44 × 731,760.48
  4. Step 4: Simplify right side
    790,474.14x = 797,704,861,150.77
  5. Step 5: Solve for x
    x = 797,704,861,150.77/790,474.14
  6. Step 6: Final answer
    x = 1,009,147.32

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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.