Home / 1,247,936.18-1,722,152.05-674,976.38

Finding the Fourth Proportional to 1,247,936.18, 1,722,152.05 and 674,976.38

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Solution

The fourth proportional to 1,247,936.18, 1,722,152.05 and 674,976.38 is: 931,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,936.18 : 1,722,152.05 = 674,976.38 : x
  2. Step 2: Convert to fraction form
    1,247,936.18/1,722,152.05 = 674,976.38/x
  3. Step 3: Cross multiply
    1,247,936.18x = 1,722,152.05 × 674,976.38
  4. Step 4: Simplify right side
    1,247,936.18x = 1,162,411,946,220.38
  5. Step 5: Solve for x
    x = 1,162,411,946,220.38/1,247,936.18
  6. Step 6: Final answer
    x = 931,467.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.