Home / 1,289,290.87-1,933,009.98-605,792.31

Finding the Fourth Proportional to 1,289,290.87, 1,933,009.98 and 605,792.31

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Solution

The fourth proportional to 1,289,290.87, 1,933,009.98 and 605,792.31 is: 908,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,290.87 : 1,933,009.98 = 605,792.31 : x
  2. Step 2: Convert to fraction form
    1,289,290.87/1,933,009.98 = 605,792.31/x
  3. Step 3: Cross multiply
    1,289,290.87x = 1,933,009.98 × 605,792.31
  4. Step 4: Simplify right side
    1,289,290.87x = 1,171,002,581,037.25
  5. Step 5: Solve for x
    x = 1,171,002,581,037.25/1,289,290.87
  6. Step 6: Final answer
    x = 908,253.22

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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.