Home / 679,694.40-1,019,541.60-236,462.40

Finding the Fourth Proportional to 679,694.40, 1,019,541.60 and 236,462.40

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Solution

The fourth proportional to 679,694.40, 1,019,541.60 and 236,462.40 is: 354,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,694.40 : 1,019,541.60 = 236,462.40 : x
  2. Step 2: Convert to fraction form
    679,694.40/1,019,541.60 = 236,462.40/x
  3. Step 3: Cross multiply
    679,694.40x = 1,019,541.60 × 236,462.40
  4. Step 4: Simplify right side
    679,694.40x = 241,083,253,635.84
  5. Step 5: Solve for x
    x = 241,083,253,635.84/679,694.40
  6. Step 6: Final answer
    x = 354,693.60

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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.