Home / 854,349.24-1,281,479.46-255,315.24

Finding the Fourth Proportional to 854,349.24, 1,281,479.46 and 255,315.24

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Solution

The fourth proportional to 854,349.24, 1,281,479.46 and 255,315.24 is: 382,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,349.24 : 1,281,479.46 = 255,315.24 : x
  2. Step 2: Convert to fraction form
    854,349.24/1,281,479.46 = 255,315.24/x
  3. Step 3: Cross multiply
    854,349.24x = 1,281,479.46 × 255,315.24
  4. Step 4: Simplify right side
    854,349.24x = 327,181,235,884.97
  5. Step 5: Solve for x
    x = 327,181,235,884.97/854,349.24
  6. Step 6: Final answer
    x = 382,959.59

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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.