Home / 331,261.40-496,892.10-322,045.40

Finding the Fourth Proportional to 331,261.40, 496,892.10 and 322,045.40

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Solution

The fourth proportional to 331,261.40, 496,892.10 and 322,045.40 is: 483,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,261.40 : 496,892.10 = 322,045.40 : x
  2. Step 2: Convert to fraction form
    331,261.40/496,892.10 = 322,045.40/x
  3. Step 3: Cross multiply
    331,261.40x = 496,892.10 × 322,045.40
  4. Step 4: Simplify right side
    331,261.40x = 160,021,815,101.34
  5. Step 5: Solve for x
    x = 160,021,815,101.34/331,261.40
  6. Step 6: Final answer
    x = 483,068.10

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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.