Home / 701,246.40-1,051,869.60-327,307.20

Finding the Fourth Proportional to 701,246.40, 1,051,869.60 and 327,307.20

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Solution

The fourth proportional to 701,246.40, 1,051,869.60 and 327,307.20 is: 490,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,246.40 : 1,051,869.60 = 327,307.20 : x
  2. Step 2: Convert to fraction form
    701,246.40/1,051,869.60 = 327,307.20/x
  3. Step 3: Cross multiply
    701,246.40x = 1,051,869.60 × 327,307.20
  4. Step 4: Simplify right side
    701,246.40x = 344,284,493,541.12
  5. Step 5: Solve for x
    x = 344,284,493,541.12/701,246.40
  6. Step 6: Final answer
    x = 490,960.80

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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.