Home / 1,126,200.24-1,554,181.43-642,755.69

Finding the Fourth Proportional to 1,126,200.24, 1,554,181.43 and 642,755.69

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Solution

The fourth proportional to 1,126,200.24, 1,554,181.43 and 642,755.69 is: 887,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,200.24 : 1,554,181.43 = 642,755.69 : x
  2. Step 2: Convert to fraction form
    1,126,200.24/1,554,181.43 = 642,755.69/x
  3. Step 3: Cross multiply
    1,126,200.24x = 1,554,181.43 × 642,755.69
  4. Step 4: Simplify right side
    1,126,200.24x = 998,958,957,424.84
  5. Step 5: Solve for x
    x = 998,958,957,424.84/1,126,200.24
  6. Step 6: Final answer
    x = 887,017.18

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Double scale
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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.