Home / 671,269.56-1,006,664.58-221,907.48

Finding the Fourth Proportional to 671,269.56, 1,006,664.58 and 221,907.48

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Solution

The fourth proportional to 671,269.56, 1,006,664.58 and 221,907.48 is: 332,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,269.56 : 1,006,664.58 = 221,907.48 : x
  2. Step 2: Convert to fraction form
    671,269.56/1,006,664.58 = 221,907.48/x
  3. Step 3: Cross multiply
    671,269.56x = 1,006,664.58 × 221,907.48
  4. Step 4: Simplify right side
    671,269.56x = 223,386,400,153.06
  5. Step 5: Solve for x
    x = 223,386,400,153.06/671,269.56
  6. Step 6: Final answer
    x = 332,781.96

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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.