Home / 1,067,445.44-1,472,833.56-637,641.44

Finding the Fourth Proportional to 1,067,445.44, 1,472,833.56 and 637,641.44

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Solution

The fourth proportional to 1,067,445.44, 1,472,833.56 and 637,641.44 is: 879,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,445.44 : 1,472,833.56 = 637,641.44 : x
  2. Step 2: Convert to fraction form
    1,067,445.44/1,472,833.56 = 637,641.44/x
  3. Step 3: Cross multiply
    1,067,445.44x = 1,472,833.56 × 637,641.44
  4. Step 4: Simplify right side
    1,067,445.44x = 939,139,712,078.73
  5. Step 5: Solve for x
    x = 939,139,712,078.73/1,067,445.44
  6. Step 6: Final answer
    x = 879,801.14

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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.