Home / 1,102,128.12-1,652,325.90-696,467.11

Finding the Fourth Proportional to 1,102,128.12, 1,652,325.90 and 696,467.11

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Solution

The fourth proportional to 1,102,128.12, 1,652,325.90 and 696,467.11 is: 1,044,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,128.12 : 1,652,325.90 = 696,467.11 : x
  2. Step 2: Convert to fraction form
    1,102,128.12/1,652,325.90 = 696,467.11/x
  3. Step 3: Cross multiply
    1,102,128.12x = 1,652,325.90 × 696,467.11
  4. Step 4: Simplify right side
    1,102,128.12x = 1,150,790,644,351.15
  5. Step 5: Solve for x
    x = 1,150,790,644,351.15/1,102,128.12
  6. Step 6: Final answer
    x = 1,044,153.24

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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.