Home / 439,146.68-605,799.34-277,729.72

Finding the Fourth Proportional to 439,146.68, 605,799.34 and 277,729.72

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Solution

The fourth proportional to 439,146.68, 605,799.34 and 277,729.72 is: 383,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,146.68 : 605,799.34 = 277,729.72 : x
  2. Step 2: Convert to fraction form
    439,146.68/605,799.34 = 277,729.72/x
  3. Step 3: Cross multiply
    439,146.68x = 605,799.34 × 277,729.72
  4. Step 4: Simplify right side
    439,146.68x = 168,248,481,074.39
  5. Step 5: Solve for x
    x = 168,248,481,074.39/439,146.68
  6. Step 6: Final answer
    x = 383,125.93

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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.