Home / 448,141.14-671,722.65-220,593.36

Finding the Fourth Proportional to 448,141.14, 671,722.65 and 220,593.36

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Solution

The fourth proportional to 448,141.14, 671,722.65 and 220,593.36 is: 330,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,141.14 : 671,722.65 = 220,593.36 : x
  2. Step 2: Convert to fraction form
    448,141.14/671,722.65 = 220,593.36/x
  3. Step 3: Cross multiply
    448,141.14x = 671,722.65 × 220,593.36
  4. Step 4: Simplify right side
    448,141.14x = 148,177,556,351.60
  5. Step 5: Solve for x
    x = 148,177,556,351.60/448,141.14
  6. Step 6: Final answer
    x = 330,649.30

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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.