Home / 1,173,155.25-1,618,954.25-636,611.25

Finding the Fourth Proportional to 1,173,155.25, 1,618,954.25 and 636,611.25

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Solution

The fourth proportional to 1,173,155.25, 1,618,954.25 and 636,611.25 is: 878,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,155.25 : 1,618,954.25 = 636,611.25 : x
  2. Step 2: Convert to fraction form
    1,173,155.25/1,618,954.25 = 636,611.25/x
  3. Step 3: Cross multiply
    1,173,155.25x = 1,618,954.25 × 636,611.25
  4. Step 4: Simplify right side
    1,173,155.25x = 1,030,644,485,602.26
  5. Step 5: Solve for x
    x = 1,030,644,485,602.26/1,173,155.25
  6. Step 6: Final answer
    x = 878,523.53

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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.