Home / 1,112,902.96-1,535,840.85-629,458.64

Finding the Fourth Proportional to 1,112,902.96, 1,535,840.85 and 629,458.64

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Solution

The fourth proportional to 1,112,902.96, 1,535,840.85 and 629,458.64 is: 868,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,902.96 : 1,535,840.85 = 629,458.64 : x
  2. Step 2: Convert to fraction form
    1,112,902.96/1,535,840.85 = 629,458.64/x
  3. Step 3: Cross multiply
    1,112,902.96x = 1,535,840.85 × 629,458.64
  4. Step 4: Simplify right side
    1,112,902.96x = 966,748,292,697.44
  5. Step 5: Solve for x
    x = 966,748,292,697.44/1,112,902.96
  6. Step 6: Final answer
    x = 868,672.59

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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.