Home / 919,489.29-1,268,875.35-532,321.12

Finding the Fourth Proportional to 919,489.29, 1,268,875.35 and 532,321.12

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Solution

The fourth proportional to 919,489.29, 1,268,875.35 and 532,321.12 is: 734,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,489.29 : 1,268,875.35 = 532,321.12 : x
  2. Step 2: Convert to fraction form
    919,489.29/1,268,875.35 = 532,321.12/x
  3. Step 3: Cross multiply
    919,489.29x = 1,268,875.35 × 532,321.12
  4. Step 4: Simplify right side
    919,489.29x = 675,449,147,452.39
  5. Step 5: Solve for x
    x = 675,449,147,452.39/919,489.29
  6. Step 6: Final answer
    x = 734,591.64

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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.