Home / 1,185,087.33-1,635,633.41-668,998.53

Finding the Fourth Proportional to 1,185,087.33, 1,635,633.41 and 668,998.53

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Solution

The fourth proportional to 1,185,087.33, 1,635,633.41 and 668,998.53 is: 923,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,087.33 : 1,635,633.41 = 668,998.53 : x
  2. Step 2: Convert to fraction form
    1,185,087.33/1,635,633.41 = 668,998.53/x
  3. Step 3: Cross multiply
    1,185,087.33x = 1,635,633.41 × 668,998.53
  4. Step 4: Simplify right side
    1,185,087.33x = 1,094,236,343,563.89
  5. Step 5: Solve for x
    x = 1,094,236,343,563.89/1,185,087.33
  6. Step 6: Final answer
    x = 923,338.15

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Double scale
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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.