Home / 693,059.40-1,039,589.10-622,200.60

Finding the Fourth Proportional to 693,059.40, 1,039,589.10 and 622,200.60

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Solution

The fourth proportional to 693,059.40, 1,039,589.10 and 622,200.60 is: 933,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,059.40 : 1,039,589.10 = 622,200.60 : x
  2. Step 2: Convert to fraction form
    693,059.40/1,039,589.10 = 622,200.60/x
  3. Step 3: Cross multiply
    693,059.40x = 1,039,589.10 × 622,200.60
  4. Step 4: Simplify right side
    693,059.40x = 646,832,961,773.46
  5. Step 5: Solve for x
    x = 646,832,961,773.46/693,059.40
  6. Step 6: Final answer
    x = 933,300.90

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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.