Home / 439,514.37-605,444.10-374,772.78

Finding the Fourth Proportional to 439,514.37, 605,444.10 and 374,772.78

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Solution

The fourth proportional to 439,514.37, 605,444.10 and 374,772.78 is: 516,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,514.37 : 605,444.10 = 374,772.78 : x
  2. Step 2: Convert to fraction form
    439,514.37/605,444.10 = 374,772.78/x
  3. Step 3: Cross multiply
    439,514.37x = 605,444.10 × 374,772.78
  4. Step 4: Simplify right side
    439,514.37x = 226,903,968,491.60
  5. Step 5: Solve for x
    x = 226,903,968,491.60/439,514.37
  6. Step 6: Final answer
    x = 516,260.64

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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.