Home / 854,455.99-1,179,125.93-472,469.71

Finding the Fourth Proportional to 854,455.99, 1,179,125.93 and 472,469.71

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Solution

The fourth proportional to 854,455.99, 1,179,125.93 and 472,469.71 is: 651,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,455.99 : 1,179,125.93 = 472,469.71 : x
  2. Step 2: Convert to fraction form
    854,455.99/1,179,125.93 = 472,469.71/x
  3. Step 3: Cross multiply
    854,455.99x = 1,179,125.93 × 472,469.71
  4. Step 4: Simplify right side
    854,455.99x = 557,101,277,942.60
  5. Step 5: Solve for x
    x = 557,101,277,942.60/854,455.99
  6. Step 6: Final answer
    x = 651,995.29

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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.