Home / 439,117.82-605,982.63-237,913.82

Finding the Fourth Proportional to 439,117.82, 605,982.63 and 237,913.82

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Solution

The fourth proportional to 439,117.82, 605,982.63 and 237,913.82 is: 328,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,117.82 : 605,982.63 = 237,913.82 : x
  2. Step 2: Convert to fraction form
    439,117.82/605,982.63 = 237,913.82/x
  3. Step 3: Cross multiply
    439,117.82x = 605,982.63 × 237,913.82
  4. Step 4: Simplify right side
    439,117.82x = 144,171,642,356.95
  5. Step 5: Solve for x
    x = 144,171,642,356.95/439,117.82
  6. Step 6: Final answer
    x = 328,321.09

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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.