Home / 914,136.56-1,371,423.54-381,361.48

Finding the Fourth Proportional to 914,136.56, 1,371,423.54 and 381,361.48

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Solution

The fourth proportional to 914,136.56, 1,371,423.54 and 381,361.48 is: 572,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,136.56 : 1,371,423.54 = 381,361.48 : x
  2. Step 2: Convert to fraction form
    914,136.56/1,371,423.54 = 381,361.48/x
  3. Step 3: Cross multiply
    914,136.56x = 1,371,423.54 × 381,361.48
  4. Step 4: Simplify right side
    914,136.56x = 523,008,110,921.24
  5. Step 5: Solve for x
    x = 523,008,110,921.24/914,136.56
  6. Step 6: Final answer
    x = 572,133.46

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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.