Home / 912,610.66-1,259,571.19-586,331.54

Finding the Fourth Proportional to 912,610.66, 1,259,571.19 and 586,331.54

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Solution

The fourth proportional to 912,610.66, 1,259,571.19 and 586,331.54 is: 809,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,610.66 : 1,259,571.19 = 586,331.54 : x
  2. Step 2: Convert to fraction form
    912,610.66/1,259,571.19 = 586,331.54/x
  3. Step 3: Cross multiply
    912,610.66x = 1,259,571.19 × 586,331.54
  4. Step 4: Simplify right side
    912,610.66x = 738,526,317,255.43
  5. Step 5: Solve for x
    x = 738,526,317,255.43/912,610.66
  6. Step 6: Final answer
    x = 809,245.77

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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.