Home / 447,383.10-671,095.44-127,556.70

Finding the Fourth Proportional to 447,383.10, 671,095.44 and 127,556.70

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Solution

The fourth proportional to 447,383.10, 671,095.44 and 127,556.70 is: 191,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,383.10 : 671,095.44 = 127,556.70 : x
  2. Step 2: Convert to fraction form
    447,383.10/671,095.44 = 127,556.70/x
  3. Step 3: Cross multiply
    447,383.10x = 671,095.44 × 127,556.70
  4. Step 4: Simplify right side
    447,383.10x = 85,602,719,711.45
  5. Step 5: Solve for x
    x = 85,602,719,711.45/447,383.10
  6. Step 6: Final answer
    x = 191,340.98

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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.