Home / 667,362.40-1,001,043.60-622,747.60

Finding the Fourth Proportional to 667,362.40, 1,001,043.60 and 622,747.60

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Solution

The fourth proportional to 667,362.40, 1,001,043.60 and 622,747.60 is: 934,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,362.40 : 1,001,043.60 = 622,747.60 : x
  2. Step 2: Convert to fraction form
    667,362.40/1,001,043.60 = 622,747.60/x
  3. Step 3: Cross multiply
    667,362.40x = 1,001,043.60 × 622,747.60
  4. Step 4: Simplify right side
    667,362.40x = 623,397,499,395.36
  5. Step 5: Solve for x
    x = 623,397,499,395.36/667,362.40
  6. Step 6: Final answer
    x = 934,121.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.