Home / 1,138,306.37-1,570,801.11-628,975.94

Finding the Fourth Proportional to 1,138,306.37, 1,570,801.11 and 628,975.94

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Solution

The fourth proportional to 1,138,306.37, 1,570,801.11 and 628,975.94 is: 867,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,306.37 : 1,570,801.11 = 628,975.94 : x
  2. Step 2: Convert to fraction form
    1,138,306.37/1,570,801.11 = 628,975.94/x
  3. Step 3: Cross multiply
    1,138,306.37x = 1,570,801.11 × 628,975.94
  4. Step 4: Simplify right side
    1,138,306.37x = 987,996,102,360.73
  5. Step 5: Solve for x
    x = 987,996,102,360.73/1,138,306.37
  6. Step 6: Final answer
    x = 867,952.72

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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.