Home / 469,786.60-648,302.22-254,921.20

Finding the Fourth Proportional to 469,786.60, 648,302.22 and 254,921.20

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Solution

The fourth proportional to 469,786.60, 648,302.22 and 254,921.20 is: 351,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,786.60 : 648,302.22 = 254,921.20 : x
  2. Step 2: Convert to fraction form
    469,786.60/648,302.22 = 254,921.20/x
  3. Step 3: Cross multiply
    469,786.60x = 648,302.22 × 254,921.20
  4. Step 4: Simplify right side
    469,786.60x = 165,265,979,885.06
  5. Step 5: Solve for x
    x = 165,265,979,885.06/469,786.60
  6. Step 6: Final answer
    x = 351,789.47

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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.