Home / 1,173,171.14-1,618,976.16-636,627.14

Finding the Fourth Proportional to 1,173,171.14, 1,618,976.16 and 636,627.14

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Solution

The fourth proportional to 1,173,171.14, 1,618,976.16 and 636,627.14 is: 878,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,171.14 : 1,618,976.16 = 636,627.14 : x
  2. Step 2: Convert to fraction form
    1,173,171.14/1,618,976.16 = 636,627.14/x
  3. Step 3: Cross multiply
    1,173,171.14x = 1,618,976.16 × 636,627.14
  4. Step 4: Simplify right side
    1,173,171.14x = 1,030,684,162,468.98
  5. Step 5: Solve for x
    x = 1,030,684,162,468.98/1,173,171.14
  6. Step 6: Final answer
    x = 878,545.45

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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.