Home / 1,091,786.45-1,638,599.83-461,152.85

Finding the Fourth Proportional to 1,091,786.45, 1,638,599.83 and 461,152.85

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Solution

The fourth proportional to 1,091,786.45, 1,638,599.83 and 461,152.85 is: 692,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,786.45 : 1,638,599.83 = 461,152.85 : x
  2. Step 2: Convert to fraction form
    1,091,786.45/1,638,599.83 = 461,152.85/x
  3. Step 3: Cross multiply
    1,091,786.45x = 1,638,599.83 × 461,152.85
  4. Step 4: Simplify right side
    1,091,786.45x = 755,644,972,268.13
  5. Step 5: Solve for x
    x = 755,644,972,268.13/1,091,786.45
  6. Step 6: Final answer
    x = 692,117.93

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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.