Home / 1,120,347.76-1,546,072.62-636,913.03

Finding the Fourth Proportional to 1,120,347.76, 1,546,072.62 and 636,913.03

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Solution

The fourth proportional to 1,120,347.76, 1,546,072.62 and 636,913.03 is: 878,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,347.76 : 1,546,072.62 = 636,913.03 : x
  2. Step 2: Convert to fraction form
    1,120,347.76/1,546,072.62 = 636,913.03/x
  3. Step 3: Cross multiply
    1,120,347.76x = 1,546,072.62 × 636,913.03
  4. Step 4: Simplify right side
    1,120,347.76x = 984,713,797,004.24
  5. Step 5: Solve for x
    x = 984,713,797,004.24/1,120,347.76
  6. Step 6: Final answer
    x = 878,935.84

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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.