Home / 1,191,400.56-1,644,145.38-647,536.38

Finding the Fourth Proportional to 1,191,400.56, 1,644,145.38 and 647,536.38

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Solution

The fourth proportional to 1,191,400.56, 1,644,145.38 and 647,536.38 is: 893,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,400.56 : 1,644,145.38 = 647,536.38 : x
  2. Step 2: Convert to fraction form
    1,191,400.56/1,644,145.38 = 647,536.38/x
  3. Step 3: Cross multiply
    1,191,400.56x = 1,644,145.38 × 647,536.38
  4. Step 4: Simplify right side
    1,191,400.56x = 1,064,643,947,558.92
  5. Step 5: Solve for x
    x = 1,064,643,947,558.92/1,191,400.56
  6. Step 6: Final answer
    x = 893,607.06

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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.