Home / 1,191,521.20-1,644,310.94-647,656.64

Finding the Fourth Proportional to 1,191,521.20, 1,644,310.94 and 647,656.64

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Solution

The fourth proportional to 1,191,521.20, 1,644,310.94 and 647,656.64 is: 893,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,521.20 : 1,644,310.94 = 647,656.64 : x
  2. Step 2: Convert to fraction form
    1,191,521.20/1,644,310.94 = 647,656.64/x
  3. Step 3: Cross multiply
    1,191,521.20x = 1,644,310.94 × 647,656.64
  4. Step 4: Simplify right side
    1,191,521.20x = 1,064,948,898,515.64
  5. Step 5: Solve for x
    x = 1,064,948,898,515.64/1,191,521.20
  6. Step 6: Final answer
    x = 893,772.51

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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.