Home / 320,005.40-441,604.66-176,775.44

Finding the Fourth Proportional to 320,005.40, 441,604.66 and 176,775.44

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Solution

The fourth proportional to 320,005.40, 441,604.66 and 176,775.44 is: 243,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,005.40 : 441,604.66 = 176,775.44 : x
  2. Step 2: Convert to fraction form
    320,005.40/441,604.66 = 176,775.44/x
  3. Step 3: Cross multiply
    320,005.40x = 441,604.66 × 176,775.44
  4. Step 4: Simplify right side
    320,005.40x = 78,064,858,077.55
  5. Step 5: Solve for x
    x = 78,064,858,077.55/320,005.40
  6. Step 6: Final answer
    x = 243,948.56

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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.