Home / 453,261.40-679,892.10-404,272.60

Finding the Fourth Proportional to 453,261.40, 679,892.10 and 404,272.60

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Solution

The fourth proportional to 453,261.40, 679,892.10 and 404,272.60 is: 606,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,261.40 : 679,892.10 = 404,272.60 : x
  2. Step 2: Convert to fraction form
    453,261.40/679,892.10 = 404,272.60/x
  3. Step 3: Cross multiply
    453,261.40x = 679,892.10 × 404,272.60
  4. Step 4: Simplify right side
    453,261.40x = 274,861,746,986.46
  5. Step 5: Solve for x
    x = 274,861,746,986.46/453,261.40
  6. Step 6: Final answer
    x = 606,408.90

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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.