Home / 681,210.80-1,021,816.20-576,234.80

Finding the Fourth Proportional to 681,210.80, 1,021,816.20 and 576,234.80

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Solution

The fourth proportional to 681,210.80, 1,021,816.20 and 576,234.80 is: 864,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,210.80 : 1,021,816.20 = 576,234.80 : x
  2. Step 2: Convert to fraction form
    681,210.80/1,021,816.20 = 576,234.80/x
  3. Step 3: Cross multiply
    681,210.80x = 1,021,816.20 × 576,234.80
  4. Step 4: Simplify right side
    681,210.80x = 588,806,053,643.76
  5. Step 5: Solve for x
    x = 588,806,053,643.76/681,210.80
  6. Step 6: Final answer
    x = 864,352.20

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Half scale
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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.