Home / 731,021.80-1,096,532.70-615,548.20

Finding the Fourth Proportional to 731,021.80, 1,096,532.70 and 615,548.20

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Solution

The fourth proportional to 731,021.80, 1,096,532.70 and 615,548.20 is: 923,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,021.80 : 1,096,532.70 = 615,548.20 : x
  2. Step 2: Convert to fraction form
    731,021.80/1,096,532.70 = 615,548.20/x
  3. Step 3: Cross multiply
    731,021.80x = 1,096,532.70 × 615,548.20
  4. Step 4: Simplify right side
    731,021.80x = 674,968,729,726.14
  5. Step 5: Solve for x
    x = 674,968,729,726.14/731,021.80
  6. Step 6: Final answer
    x = 923,322.30

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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.