Home / 809,427.67-1,117,086.20-605,124.79

Finding the Fourth Proportional to 809,427.67, 1,117,086.20 and 605,124.79

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Solution

The fourth proportional to 809,427.67, 1,117,086.20 and 605,124.79 is: 835,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,427.67 : 1,117,086.20 = 605,124.79 : x
  2. Step 2: Convert to fraction form
    809,427.67/1,117,086.20 = 605,124.79/x
  3. Step 3: Cross multiply
    809,427.67x = 1,117,086.20 × 605,124.79
  4. Step 4: Simplify right side
    809,427.67x = 675,976,552,186.90
  5. Step 5: Solve for x
    x = 675,976,552,186.90/809,427.67
  6. Step 6: Final answer
    x = 835,129.04

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1.5x scale

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.