Home / 681,950.70-1,022,926.05-416,230.20

Finding the Fourth Proportional to 681,950.70, 1,022,926.05 and 416,230.20

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Solution

The fourth proportional to 681,950.70, 1,022,926.05 and 416,230.20 is: 624,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,950.70 : 1,022,926.05 = 416,230.20 : x
  2. Step 2: Convert to fraction form
    681,950.70/1,022,926.05 = 416,230.20/x
  3. Step 3: Cross multiply
    681,950.70x = 1,022,926.05 × 416,230.20
  4. Step 4: Simplify right side
    681,950.70x = 425,772,714,376.71
  5. Step 5: Solve for x
    x = 425,772,714,376.71/681,950.70
  6. Step 6: Final answer
    x = 624,345.30

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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.