Home / 558,670.40-838,009.85-159,310.83

Finding the Fourth Proportional to 558,670.40, 838,009.85 and 159,310.83

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Solution

The fourth proportional to 558,670.40, 838,009.85 and 159,310.83 is: 238,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,670.40 : 838,009.85 = 159,310.83 : x
  2. Step 2: Convert to fraction form
    558,670.40/838,009.85 = 159,310.83/x
  3. Step 3: Cross multiply
    558,670.40x = 838,009.85 × 159,310.83
  4. Step 4: Simplify right side
    558,670.40x = 133,504,043,955.12
  5. Step 5: Solve for x
    x = 133,504,043,955.12/558,670.40
  6. Step 6: Final answer
    x = 238,967.46

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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.