Home / 1,376,512.34-1,899,640.90-941,841.36

Finding the Fourth Proportional to 1,376,512.34, 1,899,640.90 and 941,841.36

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Solution

The fourth proportional to 1,376,512.34, 1,899,640.90 and 941,841.36 is: 1,299,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,512.34 : 1,899,640.90 = 941,841.36 : x
  2. Step 2: Convert to fraction form
    1,376,512.34/1,899,640.90 = 941,841.36/x
  3. Step 3: Cross multiply
    1,376,512.34x = 1,899,640.90 × 941,841.36
  4. Step 4: Simplify right side
    1,376,512.34x = 1,789,160,369,989.81
  5. Step 5: Solve for x
    x = 1,789,160,369,989.81/1,376,512.34
  6. Step 6: Final answer
    x = 1,299,777.94

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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.