Home / 1,182,600.24-1,631,987.82-638,735.82

Finding the Fourth Proportional to 1,182,600.24, 1,631,987.82 and 638,735.82

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Solution

The fourth proportional to 1,182,600.24, 1,631,987.82 and 638,735.82 is: 881,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,600.24 : 1,631,987.82 = 638,735.82 : x
  2. Step 2: Convert to fraction form
    1,182,600.24/1,631,987.82 = 638,735.82/x
  3. Step 3: Cross multiply
    1,182,600.24x = 1,631,987.82 × 638,735.82
  4. Step 4: Simplify right side
    1,182,600.24x = 1,042,409,078,437.71
  5. Step 5: Solve for x
    x = 1,042,409,078,437.71/1,182,600.24
  6. Step 6: Final answer
    x = 881,455.16

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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.