Home / 1,113,115.06-1,536,099.28-629,669.90

Finding the Fourth Proportional to 1,113,115.06, 1,536,099.28 and 629,669.90

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Solution

The fourth proportional to 1,113,115.06, 1,536,099.28 and 629,669.90 is: 868,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,115.06 : 1,536,099.28 = 629,669.90 : x
  2. Step 2: Convert to fraction form
    1,113,115.06/1,536,099.28 = 629,669.90/x
  3. Step 3: Cross multiply
    1,113,115.06x = 1,536,099.28 × 629,669.90
  4. Step 4: Simplify right side
    1,113,115.06x = 967,235,480,027.67
  5. Step 5: Solve for x
    x = 967,235,480,027.67/1,113,115.06
  6. Step 6: Final answer
    x = 868,944.74

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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.