Home / 558,398.96-837,280.16-381,120.56

Finding the Fourth Proportional to 558,398.96, 837,280.16 and 381,120.56

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Solution

The fourth proportional to 558,398.96, 837,280.16 and 381,120.56 is: 571,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,398.96 : 837,280.16 = 381,120.56 : x
  2. Step 2: Convert to fraction form
    558,398.96/837,280.16 = 381,120.56/x
  3. Step 3: Cross multiply
    558,398.96x = 837,280.16 × 381,120.56
  4. Step 4: Simplify right side
    558,398.96x = 319,104,683,456.09
  5. Step 5: Solve for x
    x = 319,104,683,456.09/558,398.96
  6. Step 6: Final answer
    x = 571,463.61

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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.