Home / 909,221.80-1,363,705.26-482,569.96

Finding the Fourth Proportional to 909,221.80, 1,363,705.26 and 482,569.96

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Solution

The fourth proportional to 909,221.80, 1,363,705.26 and 482,569.96 is: 723,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,221.80 : 1,363,705.26 = 482,569.96 : x
  2. Step 2: Convert to fraction form
    909,221.80/1,363,705.26 = 482,569.96/x
  3. Step 3: Cross multiply
    909,221.80x = 1,363,705.26 × 482,569.96
  4. Step 4: Simplify right side
    909,221.80x = 658,083,192,769.99
  5. Step 5: Solve for x
    x = 658,083,192,769.99/909,221.80
  6. Step 6: Final answer
    x = 723,787.30

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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.