Home / 1,060,217.60-1,590,318.97-429,122.30

Finding the Fourth Proportional to 1,060,217.60, 1,590,318.97 and 429,122.30

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Solution

The fourth proportional to 1,060,217.60, 1,590,318.97 and 429,122.30 is: 643,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,217.60 : 1,590,318.97 = 429,122.30 : x
  2. Step 2: Convert to fraction form
    1,060,217.60/1,590,318.97 = 429,122.30/x
  3. Step 3: Cross multiply
    1,060,217.60x = 1,590,318.97 × 429,122.30
  4. Step 4: Simplify right side
    1,060,217.60x = 682,441,325,115.63
  5. Step 5: Solve for x
    x = 682,441,325,115.63/1,060,217.60
  6. Step 6: Final answer
    x = 643,680.44

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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.