Home / 439,119.08-605,798.72-293,971.61

Finding the Fourth Proportional to 439,119.08, 605,798.72 and 293,971.61

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Solution

The fourth proportional to 439,119.08, 605,798.72 and 293,971.61 is: 405,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,119.08 : 605,798.72 = 293,971.61 : x
  2. Step 2: Convert to fraction form
    439,119.08/605,798.72 = 293,971.61/x
  3. Step 3: Cross multiply
    439,119.08x = 605,798.72 × 293,971.61
  4. Step 4: Simplify right side
    439,119.08x = 178,087,620,555.49
  5. Step 5: Solve for x
    x = 178,087,620,555.49/439,119.08
  6. Step 6: Final answer
    x = 405,556.56

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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.