Home / 749,100.86-1,124,450.92-322,847.04

Finding the Fourth Proportional to 749,100.86, 1,124,450.92 and 322,847.04

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Solution

The fourth proportional to 749,100.86, 1,124,450.92 and 322,847.04 is: 484,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,100.86 : 1,124,450.92 = 322,847.04 : x
  2. Step 2: Convert to fraction form
    749,100.86/1,124,450.92 = 322,847.04/x
  3. Step 3: Cross multiply
    749,100.86x = 1,124,450.92 × 322,847.04
  4. Step 4: Simplify right side
    749,100.86x = 363,025,653,951.51
  5. Step 5: Solve for x
    x = 363,025,653,951.51/749,100.86
  6. Step 6: Final answer
    x = 484,615.18

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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.