Home / 718,793.60-1,078,190.40-662,806.40

Finding the Fourth Proportional to 718,793.60, 1,078,190.40 and 662,806.40

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Solution

The fourth proportional to 718,793.60, 1,078,190.40 and 662,806.40 is: 994,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,793.60 : 1,078,190.40 = 662,806.40 : x
  2. Step 2: Convert to fraction form
    718,793.60/1,078,190.40 = 662,806.40/x
  3. Step 3: Cross multiply
    718,793.60x = 1,078,190.40 × 662,806.40
  4. Step 4: Simplify right side
    718,793.60x = 714,631,497,538.56
  5. Step 5: Solve for x
    x = 714,631,497,538.56/718,793.60
  6. Step 6: Final answer
    x = 994,209.60

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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.