Home / 1,181,164.56-1,629,984.36-644,624.40

Finding the Fourth Proportional to 1,181,164.56, 1,629,984.36 and 644,624.40

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Solution

The fourth proportional to 1,181,164.56, 1,629,984.36 and 644,624.40 is: 889,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,164.56 : 1,629,984.36 = 644,624.40 : x
  2. Step 2: Convert to fraction form
    1,181,164.56/1,629,984.36 = 644,624.40/x
  3. Step 3: Cross multiply
    1,181,164.56x = 1,629,984.36 × 644,624.40
  4. Step 4: Simplify right side
    1,181,164.56x = 1,050,727,690,074.38
  5. Step 5: Solve for x
    x = 1,050,727,690,074.38/1,181,164.56
  6. Step 6: Final answer
    x = 889,569.27

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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.