Home / 866,152.96-1,299,609.24-411,072.88

Finding the Fourth Proportional to 866,152.96, 1,299,609.24 and 411,072.88

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Solution

The fourth proportional to 866,152.96, 1,299,609.24 and 411,072.88 is: 616,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,152.96 : 1,299,609.24 = 411,072.88 : x
  2. Step 2: Convert to fraction form
    866,152.96/1,299,609.24 = 411,072.88/x
  3. Step 3: Cross multiply
    866,152.96x = 1,299,609.24 × 411,072.88
  4. Step 4: Simplify right side
    866,152.96x = 534,234,113,161.41
  5. Step 5: Solve for x
    x = 534,234,113,161.41/866,152.96
  6. Step 6: Final answer
    x = 616,789.57

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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.