Home / 1,236,192.57-1,853,707.58-478,390.91

Finding the Fourth Proportional to 1,236,192.57, 1,853,707.58 and 478,390.91

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Solution

The fourth proportional to 1,236,192.57, 1,853,707.58 and 478,390.91 is: 717,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,192.57 : 1,853,707.58 = 478,390.91 : x
  2. Step 2: Convert to fraction form
    1,236,192.57/1,853,707.58 = 478,390.91/x
  3. Step 3: Cross multiply
    1,236,192.57x = 1,853,707.58 × 478,390.91
  4. Step 4: Simplify right side
    1,236,192.57x = 886,796,856,630.68
  5. Step 5: Solve for x
    x = 886,796,856,630.68/1,236,192.57
  6. Step 6: Final answer
    x = 717,361.42

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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.