Home / 1,191,394.53-1,644,137.07-647,530.38

Finding the Fourth Proportional to 1,191,394.53, 1,644,137.07 and 647,530.38

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Solution

The fourth proportional to 1,191,394.53, 1,644,137.07 and 647,530.38 is: 893,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,394.53 : 1,644,137.07 = 647,530.38 : x
  2. Step 2: Convert to fraction form
    1,191,394.53/1,644,137.07 = 647,530.38/x
  3. Step 3: Cross multiply
    1,191,394.53x = 1,644,137.07 × 647,530.38
  4. Step 4: Simplify right side
    1,191,394.53x = 1,064,628,701,709.19
  5. Step 5: Solve for x
    x = 1,064,628,701,709.19/1,191,394.53
  6. Step 6: Final answer
    x = 893,598.78

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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.