Home / 1,181,608.38-1,630,611.26-645,064.38

Finding the Fourth Proportional to 1,181,608.38, 1,630,611.26 and 645,064.38

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Solution

The fourth proportional to 1,181,608.38, 1,630,611.26 and 645,064.38 is: 890,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,608.38 : 1,630,611.26 = 645,064.38 : x
  2. Step 2: Convert to fraction form
    1,181,608.38/1,630,611.26 = 645,064.38/x
  3. Step 3: Cross multiply
    1,181,608.38x = 1,630,611.26 × 645,064.38
  4. Step 4: Simplify right side
    1,181,608.38x = 1,051,849,241,452.92
  5. Step 5: Solve for x
    x = 1,051,849,241,452.92/1,181,608.38
  6. Step 6: Final answer
    x = 890,184.31

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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.