Home / 1,173,182.46-1,618,991.76-636,638.46

Finding the Fourth Proportional to 1,173,182.46, 1,618,991.76 and 636,638.46

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Solution

The fourth proportional to 1,173,182.46, 1,618,991.76 and 636,638.46 is: 878,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,182.46 : 1,618,991.76 = 636,638.46 : x
  2. Step 2: Convert to fraction form
    1,173,182.46/1,618,991.76 = 636,638.46/x
  3. Step 3: Cross multiply
    1,173,182.46x = 1,618,991.76 × 636,638.46
  4. Step 4: Simplify right side
    1,173,182.46x = 1,030,712,420,839.09
  5. Step 5: Solve for x
    x = 1,030,712,420,839.09/1,173,182.46
  6. Step 6: Final answer
    x = 878,561.06

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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.