Home / 558,377.13-837,232.78-378,683.49

Finding the Fourth Proportional to 558,377.13, 837,232.78 and 378,683.49

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Solution

The fourth proportional to 558,377.13, 837,232.78 and 378,683.49 is: 567,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,377.13 : 837,232.78 = 378,683.49 : x
  2. Step 2: Convert to fraction form
    558,377.13/837,232.78 = 378,683.49/x
  3. Step 3: Cross multiply
    558,377.13x = 837,232.78 × 378,683.49
  4. Step 4: Simplify right side
    558,377.13x = 317,046,231,072.80
  5. Step 5: Solve for x
    x = 317,046,231,072.80/558,377.13
  6. Step 6: Final answer
    x = 567,799.46

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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.