Home / 439,197.28-605,848.81-255,415.73

Finding the Fourth Proportional to 439,197.28, 605,848.81 and 255,415.73

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Solution

The fourth proportional to 439,197.28, 605,848.81 and 255,415.73 is: 352,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,197.28 : 605,848.81 = 255,415.73 : x
  2. Step 2: Convert to fraction form
    439,197.28/605,848.81 = 255,415.73/x
  3. Step 3: Cross multiply
    439,197.28x = 605,848.81 × 255,415.73
  4. Step 4: Simplify right side
    439,197.28x = 154,743,312,408.00
  5. Step 5: Solve for x
    x = 154,743,312,408.00/439,197.28
  6. Step 6: Final answer
    x = 352,332.13

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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.