Home / 578,753.40-867,438.90-241,793.40

Finding the Fourth Proportional to 578,753.40, 867,438.90 and 241,793.40

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Solution

The fourth proportional to 578,753.40, 867,438.90 and 241,793.40 is: 362,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,753.40 : 867,438.90 = 241,793.40 : x
  2. Step 2: Convert to fraction form
    578,753.40/867,438.90 = 241,793.40/x
  3. Step 3: Cross multiply
    578,753.40x = 867,438.90 × 241,793.40
  4. Step 4: Simplify right side
    578,753.40x = 209,741,000,923.26
  5. Step 5: Solve for x
    x = 209,741,000,923.26/578,753.40
  6. Step 6: Final answer
    x = 362,401.33

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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.