Home / 829,003.60-1,243,505.40-296,566.30

Finding the Fourth Proportional to 829,003.60, 1,243,505.40 and 296,566.30

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Solution

The fourth proportional to 829,003.60, 1,243,505.40 and 296,566.30 is: 444,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,003.60 : 1,243,505.40 = 296,566.30 : x
  2. Step 2: Convert to fraction form
    829,003.60/1,243,505.40 = 296,566.30/x
  3. Step 3: Cross multiply
    829,003.60x = 1,243,505.40 × 296,566.30
  4. Step 4: Simplify right side
    829,003.60x = 368,781,795,508.02
  5. Step 5: Solve for x
    x = 368,781,795,508.02/829,003.60
  6. Step 6: Final answer
    x = 444,849.45

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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.