Home / 547,811.47-821,717.22-148,452.23

Finding the Fourth Proportional to 547,811.47, 821,717.22 and 148,452.23

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Solution

The fourth proportional to 547,811.47, 821,717.22 and 148,452.23 is: 222,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,811.47 : 821,717.22 = 148,452.23 : x
  2. Step 2: Convert to fraction form
    547,811.47/821,717.22 = 148,452.23/x
  3. Step 3: Cross multiply
    547,811.47x = 821,717.22 × 148,452.23
  4. Step 4: Simplify right side
    547,811.47x = 121,985,749,073.12
  5. Step 5: Solve for x
    x = 121,985,749,073.12/547,811.47
  6. Step 6: Final answer
    x = 222,678.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.