Home / 856,350.88-1,181,765.13-463,884.75

Finding the Fourth Proportional to 856,350.88, 1,181,765.13 and 463,884.75

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Solution

The fourth proportional to 856,350.88, 1,181,765.13 and 463,884.75 is: 640,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,350.88 : 1,181,765.13 = 463,884.75 : x
  2. Step 2: Convert to fraction form
    856,350.88/1,181,765.13 = 463,884.75/x
  3. Step 3: Cross multiply
    856,350.88x = 1,181,765.13 × 463,884.75
  4. Step 4: Simplify right side
    856,350.88x = 548,202,821,888.77
  5. Step 5: Solve for x
    x = 548,202,821,888.77/856,350.88
  6. Step 6: Final answer
    x = 640,161.45

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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.