Home / 1,173,205.50-1,619,023.60-636,661.50

Finding the Fourth Proportional to 1,173,205.50, 1,619,023.60 and 636,661.50

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Solution

The fourth proportional to 1,173,205.50, 1,619,023.60 and 636,661.50 is: 878,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,205.50 : 1,619,023.60 = 636,661.50 : x
  2. Step 2: Convert to fraction form
    1,173,205.50/1,619,023.60 = 636,661.50/x
  3. Step 3: Cross multiply
    1,173,205.50x = 1,619,023.60 × 636,661.50
  4. Step 4: Simplify right side
    1,173,205.50x = 1,030,769,993,711.40
  5. Step 5: Solve for x
    x = 1,030,769,993,711.40/1,173,205.50
  6. Step 6: Final answer
    x = 878,592.88

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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.