Home / 681,775.80-1,022,663.70-576,799.80

Finding the Fourth Proportional to 681,775.80, 1,022,663.70 and 576,799.80

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Solution

The fourth proportional to 681,775.80, 1,022,663.70 and 576,799.80 is: 865,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,775.80 : 1,022,663.70 = 576,799.80 : x
  2. Step 2: Convert to fraction form
    681,775.80/1,022,663.70 = 576,799.80/x
  3. Step 3: Cross multiply
    681,775.80x = 1,022,663.70 × 576,799.80
  4. Step 4: Simplify right side
    681,775.80x = 589,872,217,627.26
  5. Step 5: Solve for x
    x = 589,872,217,627.26/681,775.80
  6. Step 6: Final answer
    x = 865,199.70

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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.