Home / 866,845.59-1,299,714.80-416,670.78

Finding the Fourth Proportional to 866,845.59, 1,299,714.80 and 416,670.78

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Solution

The fourth proportional to 866,845.59, 1,299,714.80 and 416,670.78 is: 624,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,845.59 : 1,299,714.80 = 416,670.78 : x
  2. Step 2: Convert to fraction form
    866,845.59/1,299,714.80 = 416,670.78/x
  3. Step 3: Cross multiply
    866,845.59x = 1,299,714.80 × 416,670.78
  4. Step 4: Simplify right side
    866,845.59x = 541,553,179,493.54
  5. Step 5: Solve for x
    x = 541,553,179,493.54/866,845.59
  6. Step 6: Final answer
    x = 624,740.08

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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.