Home / 448,628.44-672,838.92-133,009.24

Finding the Fourth Proportional to 448,628.44, 672,838.92 and 133,009.24

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Solution

The fourth proportional to 448,628.44, 672,838.92 and 133,009.24 is: 199,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,628.44 : 672,838.92 = 133,009.24 : x
  2. Step 2: Convert to fraction form
    448,628.44/672,838.92 = 133,009.24/x
  3. Step 3: Cross multiply
    448,628.44x = 672,838.92 × 133,009.24
  4. Step 4: Simplify right side
    448,628.44x = 89,493,793,391.62
  5. Step 5: Solve for x
    x = 89,493,793,391.62/448,628.44
  6. Step 6: Final answer
    x = 199,483.10

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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.