Home / 674,164.80-1,011,247.20-606,513.60

Finding the Fourth Proportional to 674,164.80, 1,011,247.20 and 606,513.60

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Solution

The fourth proportional to 674,164.80, 1,011,247.20 and 606,513.60 is: 909,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,164.80 : 1,011,247.20 = 606,513.60 : x
  2. Step 2: Convert to fraction form
    674,164.80/1,011,247.20 = 606,513.60/x
  3. Step 3: Cross multiply
    674,164.80x = 1,011,247.20 × 606,513.60
  4. Step 4: Simplify right side
    674,164.80x = 613,335,179,761.92
  5. Step 5: Solve for x
    x = 613,335,179,761.92/674,164.80
  6. Step 6: Final answer
    x = 909,770.40

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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.