Home / 881,135.70-1,321,703.55-835,646.10

Finding the Fourth Proportional to 881,135.70, 1,321,703.55 and 835,646.10

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Solution

The fourth proportional to 881,135.70, 1,321,703.55 and 835,646.10 is: 1,253,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,135.70 : 1,321,703.55 = 835,646.10 : x
  2. Step 2: Convert to fraction form
    881,135.70/1,321,703.55 = 835,646.10/x
  3. Step 3: Cross multiply
    881,135.70x = 1,321,703.55 × 835,646.10
  4. Step 4: Simplify right side
    881,135.70x = 1,104,476,416,913.66
  5. Step 5: Solve for x
    x = 1,104,476,416,913.66/881,135.70
  6. Step 6: Final answer
    x = 1,253,469.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.