Home / 829,098.60-1,243,647.90-268,189.80

Finding the Fourth Proportional to 829,098.60, 1,243,647.90 and 268,189.80

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Solution

The fourth proportional to 829,098.60, 1,243,647.90 and 268,189.80 is: 402,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,098.60 : 1,243,647.90 = 268,189.80 : x
  2. Step 2: Convert to fraction form
    829,098.60/1,243,647.90 = 268,189.80/x
  3. Step 3: Cross multiply
    829,098.60x = 1,243,647.90 × 268,189.80
  4. Step 4: Simplify right side
    829,098.60x = 333,533,681,571.42
  5. Step 5: Solve for x
    x = 333,533,681,571.42/829,098.60
  6. Step 6: Final answer
    x = 402,284.70

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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.