Home / 756,843.19-1,044,696.70-451,015.47

Finding the Fourth Proportional to 756,843.19, 1,044,696.70 and 451,015.47

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Solution

The fourth proportional to 756,843.19, 1,044,696.70 and 451,015.47 is: 622,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,843.19 : 1,044,696.70 = 451,015.47 : x
  2. Step 2: Convert to fraction form
    756,843.19/1,044,696.70 = 451,015.47/x
  3. Step 3: Cross multiply
    756,843.19x = 1,044,696.70 × 451,015.47
  4. Step 4: Simplify right side
    756,843.19x = 471,174,373,157.95
  5. Step 5: Solve for x
    x = 471,174,373,157.95/756,843.19
  6. Step 6: Final answer
    x = 622,552.17

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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.