Home / 439,123.85-605,983.03-248,133.14

Finding the Fourth Proportional to 439,123.85, 605,983.03 and 248,133.14

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Solution

The fourth proportional to 439,123.85, 605,983.03 and 248,133.14 is: 342,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,123.85 : 605,983.03 = 248,133.14 : x
  2. Step 2: Convert to fraction form
    439,123.85/605,983.03 = 248,133.14/x
  3. Step 3: Cross multiply
    439,123.85x = 605,983.03 × 248,133.14
  4. Step 4: Simplify right side
    439,123.85x = 150,364,470,642.80
  5. Step 5: Solve for x
    x = 150,364,470,642.80/439,123.85
  6. Step 6: Final answer
    x = 342,419.28

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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.