Home / 669,993.60-1,004,990.40-622,754.40

Finding the Fourth Proportional to 669,993.60, 1,004,990.40 and 622,754.40

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Solution

The fourth proportional to 669,993.60, 1,004,990.40 and 622,754.40 is: 934,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,993.60 : 1,004,990.40 = 622,754.40 : x
  2. Step 2: Convert to fraction form
    669,993.60/1,004,990.40 = 622,754.40/x
  3. Step 3: Cross multiply
    669,993.60x = 1,004,990.40 × 622,754.40
  4. Step 4: Simplify right side
    669,993.60x = 625,862,193,557.76
  5. Step 5: Solve for x
    x = 625,862,193,557.76/669,993.60
  6. Step 6: Final answer
    x = 934,131.60

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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.