Home / 793,927.72-1,189,504.86-661,657.96

Finding the Fourth Proportional to 793,927.72, 1,189,504.86 and 661,657.96

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Solution

The fourth proportional to 793,927.72, 1,189,504.86 and 661,657.96 is: 991,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,927.72 : 1,189,504.86 = 661,657.96 : x
  2. Step 2: Convert to fraction form
    793,927.72/1,189,504.86 = 661,657.96/x
  3. Step 3: Cross multiply
    793,927.72x = 1,189,504.86 × 661,657.96
  4. Step 4: Simplify right side
    793,927.72x = 787,045,359,077.69
  5. Step 5: Solve for x
    x = 787,045,359,077.69/793,927.72
  6. Step 6: Final answer
    x = 991,331.25

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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.