Home / 1,009,972.60-1,515,785.10-1,002,099.40

Finding the Fourth Proportional to 1,009,972.60, 1,515,785.10 and 1,002,099.40

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Solution

The fourth proportional to 1,009,972.60, 1,515,785.10 and 1,002,099.40 is: 1,503,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,972.60 : 1,515,785.10 = 1,002,099.40 : x
  2. Step 2: Convert to fraction form
    1,009,972.60/1,515,785.10 = 1,002,099.40/x
  3. Step 3: Cross multiply
    1,009,972.60x = 1,515,785.10 × 1,002,099.40
  4. Step 4: Simplify right side
    1,009,972.60x = 1,518,967,339,238.94
  5. Step 5: Solve for x
    x = 1,518,967,339,238.94/1,009,972.60
  6. Step 6: Final answer
    x = 1,503,968.86

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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.