Home / 558,224.44-770,635.74-377,890.36

Finding the Fourth Proportional to 558,224.44, 770,635.74 and 377,890.36

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Solution

The fourth proportional to 558,224.44, 770,635.74 and 377,890.36 is: 521,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,224.44 : 770,635.74 = 377,890.36 : x
  2. Step 2: Convert to fraction form
    558,224.44/770,635.74 = 377,890.36/x
  3. Step 3: Cross multiply
    558,224.44x = 770,635.74 × 377,890.36
  4. Step 4: Simplify right side
    558,224.44x = 291,215,817,217.47
  5. Step 5: Solve for x
    x = 291,215,817,217.47/558,224.44
  6. Step 6: Final answer
    x = 521,682.31

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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.