Home / 439,127.11-605,987.52-248,136.40

Finding the Fourth Proportional to 439,127.11, 605,987.52 and 248,136.40

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Solution

The fourth proportional to 439,127.11, 605,987.52 and 248,136.40 is: 342,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,127.11 : 605,987.52 = 248,136.40 : x
  2. Step 2: Convert to fraction form
    439,127.11/605,987.52 = 248,136.40/x
  3. Step 3: Cross multiply
    439,127.11x = 605,987.52 × 248,136.40
  4. Step 4: Simplify right side
    439,127.11x = 150,367,561,657.73
  5. Step 5: Solve for x
    x = 150,367,561,657.73/439,127.11
  6. Step 6: Final answer
    x = 342,423.77

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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.