Home / 380,679.24-525,099.48-244,890

Finding the Fourth Proportional to 380,679.24, 525,099.48 and 244,890

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Solution

The fourth proportional to 380,679.24, 525,099.48 and 244,890 is: 337,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,679.24 : 525,099.48 = 244,890 : x
  2. Step 2: Convert to fraction form
    380,679.24/525,099.48 = 244,890/x
  3. Step 3: Cross multiply
    380,679.24x = 525,099.48 × 244,890
  4. Step 4: Simplify right side
    380,679.24x = 128,591,611,657.20
  5. Step 5: Solve for x
    x = 128,591,611,657.20/380,679.24
  6. Step 6: Final answer
    x = 337,795.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.