Home / 1,173,160.44-1,618,961.40-636,616.44

Finding the Fourth Proportional to 1,173,160.44, 1,618,961.40 and 636,616.44

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Solution

The fourth proportional to 1,173,160.44, 1,618,961.40 and 636,616.44 is: 878,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,160.44 : 1,618,961.40 = 636,616.44 : x
  2. Step 2: Convert to fraction form
    1,173,160.44/1,618,961.40 = 636,616.44/x
  3. Step 3: Cross multiply
    1,173,160.44x = 1,618,961.40 × 636,616.44
  4. Step 4: Simplify right side
    1,173,160.44x = 1,030,657,442,965.42
  5. Step 5: Solve for x
    x = 1,030,657,442,965.42/1,173,160.44
  6. Step 6: Final answer
    x = 878,530.68

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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.