Home / 665,557.40-996,932.10-441,025.40

Finding the Fourth Proportional to 665,557.40, 996,932.10 and 441,025.40

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Solution

The fourth proportional to 665,557.40, 996,932.10 and 441,025.40 is: 660,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,557.40 : 996,932.10 = 441,025.40 : x
  2. Step 2: Convert to fraction form
    665,557.40/996,932.10 = 441,025.40/x
  3. Step 3: Cross multiply
    665,557.40x = 996,932.10 × 441,025.40
  4. Step 4: Simplify right side
    665,557.40x = 439,672,378,175.34
  5. Step 5: Solve for x
    x = 439,672,378,175.34/665,557.40
  6. Step 6: Final answer
    x = 660,607.75

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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.