Home / 1,172,198.31-1,758,333.98-403,688.13

Finding the Fourth Proportional to 1,172,198.31, 1,758,333.98 and 403,688.13

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Solution

The fourth proportional to 1,172,198.31, 1,758,333.98 and 403,688.13 is: 605,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,198.31 : 1,758,333.98 = 403,688.13 : x
  2. Step 2: Convert to fraction form
    1,172,198.31/1,758,333.98 = 403,688.13/x
  3. Step 3: Cross multiply
    1,172,198.31x = 1,758,333.98 × 403,688.13
  4. Step 4: Simplify right side
    1,172,198.31x = 709,818,556,301.66
  5. Step 5: Solve for x
    x = 709,818,556,301.66/1,172,198.31
  6. Step 6: Final answer
    x = 605,544.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.