Home / 681,774.30-1,022,661.45-576,798.30

Finding the Fourth Proportional to 681,774.30, 1,022,661.45 and 576,798.30

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Solution

The fourth proportional to 681,774.30, 1,022,661.45 and 576,798.30 is: 865,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,774.30 : 1,022,661.45 = 576,798.30 : x
  2. Step 2: Convert to fraction form
    681,774.30/1,022,661.45 = 576,798.30/x
  3. Step 3: Cross multiply
    681,774.30x = 1,022,661.45 × 576,798.30
  4. Step 4: Simplify right side
    681,774.30x = 589,869,385,835.54
  5. Step 5: Solve for x
    x = 589,869,385,835.54/681,774.30
  6. Step 6: Final answer
    x = 865,197.45

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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.