Home / 619,128.48-929,106.96-225,144.48

Finding the Fourth Proportional to 619,128.48, 929,106.96 and 225,144.48

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Solution

The fourth proportional to 619,128.48, 929,106.96 and 225,144.48 is: 337,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,128.48 : 929,106.96 = 225,144.48 : x
  2. Step 2: Convert to fraction form
    619,128.48/929,106.96 = 225,144.48/x
  3. Step 3: Cross multiply
    619,128.48x = 929,106.96 × 225,144.48
  4. Step 4: Simplify right side
    619,128.48x = 209,183,303,373.58
  5. Step 5: Solve for x
    x = 209,183,303,373.58/619,128.48
  6. Step 6: Final answer
    x = 337,867.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.