Home / 854,603.38-1,179,221.64-491,957.18

Finding the Fourth Proportional to 854,603.38, 1,179,221.64 and 491,957.18

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Solution

The fourth proportional to 854,603.38, 1,179,221.64 and 491,957.18 is: 678,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,603.38 : 1,179,221.64 = 491,957.18 : x
  2. Step 2: Convert to fraction form
    854,603.38/1,179,221.64 = 491,957.18/x
  3. Step 3: Cross multiply
    854,603.38x = 1,179,221.64 × 491,957.18
  4. Step 4: Simplify right side
    854,603.38x = 580,126,552,609.38
  5. Step 5: Solve for x
    x = 580,126,552,609.38/854,603.38
  6. Step 6: Final answer
    x = 678,825.48

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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.