Home / 558,975.57-838,654.70-238,995.60

Finding the Fourth Proportional to 558,975.57, 838,654.70 and 238,995.60

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Solution

The fourth proportional to 558,975.57, 838,654.70 and 238,995.60 is: 358,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,975.57 : 838,654.70 = 238,995.60 : x
  2. Step 2: Convert to fraction form
    558,975.57/838,654.70 = 238,995.60/x
  3. Step 3: Cross multiply
    558,975.57x = 838,654.70 × 238,995.60
  4. Step 4: Simplify right side
    558,975.57x = 200,434,783,219.32
  5. Step 5: Solve for x
    x = 200,434,783,219.32/558,975.57
  6. Step 6: Final answer
    x = 358,575.21

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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.