Home / 458,835.56-687,985.50-178,024.76

Finding the Fourth Proportional to 458,835.56, 687,985.50 and 178,024.76

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Solution

The fourth proportional to 458,835.56, 687,985.50 and 178,024.76 is: 266,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,835.56 : 687,985.50 = 178,024.76 : x
  2. Step 2: Convert to fraction form
    458,835.56/687,985.50 = 178,024.76/x
  3. Step 3: Cross multiply
    458,835.56x = 687,985.50 × 178,024.76
  4. Step 4: Simplify right side
    458,835.56x = 122,478,453,520.98
  5. Step 5: Solve for x
    x = 122,478,453,520.98/458,835.56
  6. Step 6: Final answer
    x = 266,933.22

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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.