Home / 409,822.80-614,734.20-283,851.60

Finding the Fourth Proportional to 409,822.80, 614,734.20 and 283,851.60

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Solution

The fourth proportional to 409,822.80, 614,734.20 and 283,851.60 is: 425,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,822.80 : 614,734.20 = 283,851.60 : x
  2. Step 2: Convert to fraction form
    409,822.80/614,734.20 = 283,851.60/x
  3. Step 3: Cross multiply
    409,822.80x = 614,734.20 × 283,851.60
  4. Step 4: Simplify right side
    409,822.80x = 174,493,286,244.72
  5. Step 5: Solve for x
    x = 174,493,286,244.72/409,822.80
  6. Step 6: Final answer
    x = 425,777.40

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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.