Home / 1,171,188.88-1,616,241.48-634,644.88

Finding the Fourth Proportional to 1,171,188.88, 1,616,241.48 and 634,644.88

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Solution

The fourth proportional to 1,171,188.88, 1,616,241.48 and 634,644.88 is: 875,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,188.88 : 1,616,241.48 = 634,644.88 : x
  2. Step 2: Convert to fraction form
    1,171,188.88/1,616,241.48 = 634,644.88/x
  3. Step 3: Cross multiply
    1,171,188.88x = 1,616,241.48 × 634,644.88
  4. Step 4: Simplify right side
    1,171,188.88x = 1,025,739,380,125.62
  5. Step 5: Solve for x
    x = 1,025,739,380,125.62/1,171,188.88
  6. Step 6: Final answer
    x = 875,810.38

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1.5x scale

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.