Home / 837,728.16-1,256,776.56-394,991.52

Finding the Fourth Proportional to 837,728.16, 1,256,776.56 and 394,991.52

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Solution

The fourth proportional to 837,728.16, 1,256,776.56 and 394,991.52 is: 592,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,728.16 : 1,256,776.56 = 394,991.52 : x
  2. Step 2: Convert to fraction form
    837,728.16/1,256,776.56 = 394,991.52/x
  3. Step 3: Cross multiply
    837,728.16x = 1,256,776.56 × 394,991.52
  4. Step 4: Simplify right side
    837,728.16x = 496,416,083,734.77
  5. Step 5: Solve for x
    x = 496,416,083,734.77/837,728.16
  6. Step 6: Final answer
    x = 592,574.19

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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.