Home / 1,126,200.12-1,554,181.26-642,755.57

Finding the Fourth Proportional to 1,126,200.12, 1,554,181.26 and 642,755.57

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Solution

The fourth proportional to 1,126,200.12, 1,554,181.26 and 642,755.57 is: 887,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,200.12 : 1,554,181.26 = 642,755.57 : x
  2. Step 2: Convert to fraction form
    1,126,200.12/1,554,181.26 = 642,755.57/x
  3. Step 3: Cross multiply
    1,126,200.12x = 1,554,181.26 × 642,755.57
  4. Step 4: Simplify right side
    1,126,200.12x = 998,958,661,654.62
  5. Step 5: Solve for x
    x = 998,958,661,654.62/1,126,200.12
  6. Step 6: Final answer
    x = 887,017.01

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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.