Home / 1,067,442.32-1,472,829.44-637,638.56

Finding the Fourth Proportional to 1,067,442.32, 1,472,829.44 and 637,638.56

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Solution

The fourth proportional to 1,067,442.32, 1,472,829.44 and 637,638.56 is: 879,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,442.32 : 1,472,829.44 = 637,638.56 : x
  2. Step 2: Convert to fraction form
    1,067,442.32/1,472,829.44 = 637,638.56/x
  3. Step 3: Cross multiply
    1,067,442.32x = 1,472,829.44 × 637,638.56
  4. Step 4: Simplify right side
    1,067,442.32x = 939,132,843,247.21
  5. Step 5: Solve for x
    x = 939,132,843,247.21/1,067,442.32
  6. Step 6: Final answer
    x = 879,797.27

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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.