Home / 837,129.12-1,254,313.44-482,441.28

Finding the Fourth Proportional to 837,129.12, 1,254,313.44 and 482,441.28

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Solution

The fourth proportional to 837,129.12, 1,254,313.44 and 482,441.28 is: 722,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,129.12 : 1,254,313.44 = 482,441.28 : x
  2. Step 2: Convert to fraction form
    837,129.12/1,254,313.44 = 482,441.28/x
  3. Step 3: Cross multiply
    837,129.12x = 1,254,313.44 × 482,441.28
  4. Step 4: Simplify right side
    837,129.12x = 605,132,581,514.80
  5. Step 5: Solve for x
    x = 605,132,581,514.80/837,129.12
  6. Step 6: Final answer
    x = 722,866.48

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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.