Home / 1,588,365.50-2,191,961.28-863,213.21

Finding the Fourth Proportional to 1,588,365.50, 2,191,961.28 and 863,213.21

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Solution

The fourth proportional to 1,588,365.50, 2,191,961.28 and 863,213.21 is: 1,191,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,365.50 : 2,191,961.28 = 863,213.21 : x
  2. Step 2: Convert to fraction form
    1,588,365.50/2,191,961.28 = 863,213.21/x
  3. Step 3: Cross multiply
    1,588,365.50x = 2,191,961.28 × 863,213.21
  4. Step 4: Simplify right side
    1,588,365.50x = 1,892,129,921,744.70
  5. Step 5: Solve for x
    x = 1,892,129,921,744.70/1,588,365.50
  6. Step 6: Final answer
    x = 1,191,243.41

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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.