Home / 1,943,896.79-2,915,512.91-523,620.71

Finding the Fourth Proportional to 1,943,896.79, 2,915,512.91 and 523,620.71

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Solution

The fourth proportional to 1,943,896.79, 2,915,512.91 and 523,620.71 is: 785,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,896.79 : 2,915,512.91 = 523,620.71 : x
  2. Step 2: Convert to fraction form
    1,943,896.79/2,915,512.91 = 523,620.71/x
  3. Step 3: Cross multiply
    1,943,896.79x = 2,915,512.91 × 523,620.71
  4. Step 4: Simplify right side
    1,943,896.79x = 1,526,622,946,582.62
  5. Step 5: Solve for x
    x = 1,526,622,946,582.62/1,943,896.79
  6. Step 6: Final answer
    x = 785,341.57

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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.