Home / 1,138,348.48-1,570,921.44-629,050.84

Finding the Fourth Proportional to 1,138,348.48, 1,570,921.44 and 629,050.84

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Solution

The fourth proportional to 1,138,348.48, 1,570,921.44 and 629,050.84 is: 868,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,348.48 : 1,570,921.44 = 629,050.84 : x
  2. Step 2: Convert to fraction form
    1,138,348.48/1,570,921.44 = 629,050.84/x
  3. Step 3: Cross multiply
    1,138,348.48x = 1,570,921.44 × 629,050.84
  4. Step 4: Simplify right side
    1,138,348.48x = 988,189,451,406.01
  5. Step 5: Solve for x
    x = 988,189,451,406.01/1,138,348.48
  6. Step 6: Final answer
    x = 868,090.46

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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.