Home / 389,611.20-583,997.04-190,066.08

Finding the Fourth Proportional to 389,611.20, 583,997.04 and 190,066.08

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Solution

The fourth proportional to 389,611.20, 583,997.04 and 190,066.08 is: 284,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,611.20 : 583,997.04 = 190,066.08 : x
  2. Step 2: Convert to fraction form
    389,611.20/583,997.04 = 190,066.08/x
  3. Step 3: Cross multiply
    389,611.20x = 583,997.04 × 190,066.08
  4. Step 4: Simplify right side
    389,611.20x = 110,998,028,124.40
  5. Step 5: Solve for x
    x = 110,998,028,124.40/389,611.20
  6. Step 6: Final answer
    x = 284,894.35

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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.