Home / 1,285,755.44-1,928,485.16-517,224.24

Finding the Fourth Proportional to 1,285,755.44, 1,928,485.16 and 517,224.24

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Solution

The fourth proportional to 1,285,755.44, 1,928,485.16 and 517,224.24 is: 775,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,755.44 : 1,928,485.16 = 517,224.24 : x
  2. Step 2: Convert to fraction form
    1,285,755.44/1,928,485.16 = 517,224.24/x
  3. Step 3: Cross multiply
    1,285,755.44x = 1,928,485.16 × 517,224.24
  4. Step 4: Simplify right side
    1,285,755.44x = 997,459,271,232.28
  5. Step 5: Solve for x
    x = 997,459,271,232.28/1,285,755.44
  6. Step 6: Final answer
    x = 775,776.82

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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.