Home / 1,113,253.76-1,536,188.64-629,863.04

Finding the Fourth Proportional to 1,113,253.76, 1,536,188.64 and 629,863.04

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Solution

The fourth proportional to 1,113,253.76, 1,536,188.64 and 629,863.04 is: 869,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,253.76 : 1,536,188.64 = 629,863.04 : x
  2. Step 2: Convert to fraction form
    1,113,253.76/1,536,188.64 = 629,863.04/x
  3. Step 3: Cross multiply
    1,113,253.76x = 1,536,188.64 × 629,863.04
  4. Step 4: Simplify right side
    1,113,253.76x = 967,588,446,803.87
  5. Step 5: Solve for x
    x = 967,588,446,803.87/1,113,253.76
  6. Step 6: Final answer
    x = 869,153.54

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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.