Home / 854,217.16-1,179,116.52-491,785.46

Finding the Fourth Proportional to 854,217.16, 1,179,116.52 and 491,785.46

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Solution

The fourth proportional to 854,217.16, 1,179,116.52 and 491,785.46 is: 678,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,217.16 : 1,179,116.52 = 491,785.46 : x
  2. Step 2: Convert to fraction form
    854,217.16/1,179,116.52 = 491,785.46/x
  3. Step 3: Cross multiply
    854,217.16x = 1,179,116.52 × 491,785.46
  4. Step 4: Simplify right side
    854,217.16x = 579,872,360,181.80
  5. Step 5: Solve for x
    x = 579,872,360,181.80/854,217.16
  6. Step 6: Final answer
    x = 678,834.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.