Home / 1,185,088.33-1,635,634.79-668,999.53

Finding the Fourth Proportional to 1,185,088.33, 1,635,634.79 and 668,999.53

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Solution

The fourth proportional to 1,185,088.33, 1,635,634.79 and 668,999.53 is: 923,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,088.33 : 1,635,634.79 = 668,999.53 : x
  2. Step 2: Convert to fraction form
    1,185,088.33/1,635,634.79 = 668,999.53/x
  3. Step 3: Cross multiply
    1,185,088.33x = 1,635,634.79 × 668,999.53
  4. Step 4: Simplify right side
    1,185,088.33x = 1,094,238,905,761.65
  5. Step 5: Solve for x
    x = 1,094,238,905,761.65/1,185,088.33
  6. Step 6: Final answer
    x = 923,339.53

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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.