Home / 1,726,418.72-2,589,939.12-528,319.52

Finding the Fourth Proportional to 1,726,418.72, 2,589,939.12 and 528,319.52

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Solution

The fourth proportional to 1,726,418.72, 2,589,939.12 and 528,319.52 is: 792,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,418.72 : 2,589,939.12 = 528,319.52 : x
  2. Step 2: Convert to fraction form
    1,726,418.72/2,589,939.12 = 528,319.52/x
  3. Step 3: Cross multiply
    1,726,418.72x = 2,589,939.12 × 528,319.52
  4. Step 4: Simplify right side
    1,726,418.72x = 1,368,315,392,707.62
  5. Step 5: Solve for x
    x = 1,368,315,392,707.62/1,726,418.72
  6. Step 6: Final answer
    x = 792,574.46

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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.