Home / 609,259.94-913,977.39-209,793.45

Finding the Fourth Proportional to 609,259.94, 913,977.39 and 209,793.45

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Solution

The fourth proportional to 609,259.94, 913,977.39 and 209,793.45 is: 314,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,259.94 : 913,977.39 = 209,793.45 : x
  2. Step 2: Convert to fraction form
    609,259.94/913,977.39 = 209,793.45/x
  3. Step 3: Cross multiply
    609,259.94x = 913,977.39 × 209,793.45
  4. Step 4: Simplify right side
    609,259.94x = 191,746,474,084.24
  5. Step 5: Solve for x
    x = 191,746,474,084.24/609,259.94
  6. Step 6: Final answer
    x = 314,720.31

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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.