Home / 1,173,217-1,619,039.46-636,673

Finding the Fourth Proportional to 1,173,217, 1,619,039.46 and 636,673

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Solution

The fourth proportional to 1,173,217, 1,619,039.46 and 636,673 is: 878,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,217 : 1,619,039.46 = 636,673 : x
  2. Step 2: Convert to fraction form
    1,173,217/1,619,039.46 = 636,673/x
  3. Step 3: Cross multiply
    1,173,217x = 1,619,039.46 × 636,673
  4. Step 4: Simplify right side
    1,173,217x = 1,030,798,710,116.58
  5. Step 5: Solve for x
    x = 1,030,798,710,116.58/1,173,217
  6. Step 6: Final answer
    x = 878,608.74

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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.