Home / 809,311.52-1,117,269.36-591,275.36

Finding the Fourth Proportional to 809,311.52, 1,117,269.36 and 591,275.36

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Solution

The fourth proportional to 809,311.52, 1,117,269.36 and 591,275.36 is: 816,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,311.52 : 1,117,269.36 = 591,275.36 : x
  2. Step 2: Convert to fraction form
    809,311.52/1,117,269.36 = 591,275.36/x
  3. Step 3: Cross multiply
    809,311.52x = 1,117,269.36 × 591,275.36
  4. Step 4: Simplify right side
    809,311.52x = 660,613,843,050.97
  5. Step 5: Solve for x
    x = 660,613,843,050.97/809,311.52
  6. Step 6: Final answer
    x = 816,266.45

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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.