Home / 902,482.56-1,353,723.84-459,561.60

Finding the Fourth Proportional to 902,482.56, 1,353,723.84 and 459,561.60

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Solution

The fourth proportional to 902,482.56, 1,353,723.84 and 459,561.60 is: 689,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,482.56 : 1,353,723.84 = 459,561.60 : x
  2. Step 2: Convert to fraction form
    902,482.56/1,353,723.84 = 459,561.60/x
  3. Step 3: Cross multiply
    902,482.56x = 1,353,723.84 × 459,561.60
  4. Step 4: Simplify right side
    902,482.56x = 622,119,493,868.54
  5. Step 5: Solve for x
    x = 622,119,493,868.54/902,482.56
  6. Step 6: Final answer
    x = 689,342.40

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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.