Home / 1,143,556.14-1,578,296.43-634,422.54

Finding the Fourth Proportional to 1,143,556.14, 1,578,296.43 and 634,422.54

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Solution

The fourth proportional to 1,143,556.14, 1,578,296.43 and 634,422.54 is: 875,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,556.14 : 1,578,296.43 = 634,422.54 : x
  2. Step 2: Convert to fraction form
    1,143,556.14/1,578,296.43 = 634,422.54/x
  3. Step 3: Cross multiply
    1,143,556.14x = 1,578,296.43 × 634,422.54
  4. Step 4: Simplify right side
    1,143,556.14x = 1,001,306,829,993.53
  5. Step 5: Solve for x
    x = 1,001,306,829,993.53/1,143,556.14
  6. Step 6: Final answer
    x = 875,607.93

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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.