Home / 866,096.31-1,299,060.88-266,896.59

Finding the Fourth Proportional to 866,096.31, 1,299,060.88 and 266,896.59

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Solution

The fourth proportional to 866,096.31, 1,299,060.88 and 266,896.59 is: 400,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,096.31 : 1,299,060.88 = 266,896.59 : x
  2. Step 2: Convert to fraction form
    866,096.31/1,299,060.88 = 266,896.59/x
  3. Step 3: Cross multiply
    866,096.31x = 1,299,060.88 × 266,896.59
  4. Step 4: Simplify right side
    866,096.31x = 346,714,919,074.40
  5. Step 5: Solve for x
    x = 346,714,919,074.40/866,096.31
  6. Step 6: Final answer
    x = 400,319.13

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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.