Home / 1,138,265.37-1,570,795.07-628,956.81

Finding the Fourth Proportional to 1,138,265.37, 1,570,795.07 and 628,956.81

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Solution

The fourth proportional to 1,138,265.37, 1,570,795.07 and 628,956.81 is: 867,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,265.37 : 1,570,795.07 = 628,956.81 : x
  2. Step 2: Convert to fraction form
    1,138,265.37/1,570,795.07 = 628,956.81/x
  3. Step 3: Cross multiply
    1,138,265.37x = 1,570,795.07 × 628,956.81
  4. Step 4: Simplify right side
    1,138,265.37x = 987,962,253,246.14
  5. Step 5: Solve for x
    x = 987,962,253,246.14/1,138,265.37
  6. Step 6: Final answer
    x = 867,954.24

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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.