Home / 1,067,495.57-1,472,902.85-637,691.93

Finding the Fourth Proportional to 1,067,495.57, 1,472,902.85 and 637,691.93

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Solution

The fourth proportional to 1,067,495.57, 1,472,902.85 and 637,691.93 is: 879,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,495.57 : 1,472,902.85 = 637,691.93 : x
  2. Step 2: Convert to fraction form
    1,067,495.57/1,472,902.85 = 637,691.93/x
  3. Step 3: Cross multiply
    1,067,495.57x = 1,472,902.85 × 637,691.93
  4. Step 4: Simplify right side
    1,067,495.57x = 939,258,257,930.54
  5. Step 5: Solve for x
    x = 939,258,257,930.54/1,067,495.57
  6. Step 6: Final answer
    x = 879,870.87

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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.