Home / 1,191,467.40-1,644,236.04-647,604.44

Finding the Fourth Proportional to 1,191,467.40, 1,644,236.04 and 647,604.44

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Solution

The fourth proportional to 1,191,467.40, 1,644,236.04 and 647,604.44 is: 893,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,467.40 : 1,644,236.04 = 647,604.44 : x
  2. Step 2: Convert to fraction form
    1,191,467.40/1,644,236.04 = 647,604.44/x
  3. Step 3: Cross multiply
    1,191,467.40x = 1,644,236.04 × 647,604.44
  4. Step 4: Simplify right side
    1,191,467.40x = 1,064,814,559,912.02
  5. Step 5: Solve for x
    x = 1,064,814,559,912.02/1,191,467.40
  6. Step 6: Final answer
    x = 893,700.12

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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.