Home / 681,403.20-933,525.72-655,864.29

Finding the Fourth Proportional to 681,403.20, 933,525.72 and 655,864.29

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Solution

The fourth proportional to 681,403.20, 933,525.72 and 655,864.29 is: 898,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,403.20 : 933,525.72 = 655,864.29 : x
  2. Step 2: Convert to fraction form
    681,403.20/933,525.72 = 655,864.29/x
  3. Step 3: Cross multiply
    681,403.20x = 933,525.72 × 655,864.29
  4. Step 4: Simplify right side
    681,403.20x = 612,266,183,544.54
  5. Step 5: Solve for x
    x = 612,266,183,544.54/681,403.20
  6. Step 6: Final answer
    x = 898,537.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.