Home / 558,820.98-838,356.46-203,835.02

Finding the Fourth Proportional to 558,820.98, 838,356.46 and 203,835.02

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Solution

The fourth proportional to 558,820.98, 838,356.46 and 203,835.02 is: 305,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,820.98 : 838,356.46 = 203,835.02 : x
  2. Step 2: Convert to fraction form
    558,820.98/838,356.46 = 203,835.02/x
  3. Step 3: Cross multiply
    558,820.98x = 838,356.46 × 203,835.02
  4. Step 4: Simplify right side
    558,820.98x = 170,886,401,089.86
  5. Step 5: Solve for x
    x = 170,886,401,089.86/558,820.98
  6. Step 6: Final answer
    x = 305,798.11

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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.