Home / 1,135,240.50-1,700,933.70-685,015.32

Finding the Fourth Proportional to 1,135,240.50, 1,700,933.70 and 685,015.32

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Solution

The fourth proportional to 1,135,240.50, 1,700,933.70 and 685,015.32 is: 1,026,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,240.50 : 1,700,933.70 = 685,015.32 : x
  2. Step 2: Convert to fraction form
    1,135,240.50/1,700,933.70 = 685,015.32/x
  3. Step 3: Cross multiply
    1,135,240.50x = 1,700,933.70 × 685,015.32
  4. Step 4: Simplify right side
    1,135,240.50x = 1,165,165,642,804.28
  5. Step 5: Solve for x
    x = 1,165,165,642,804.28/1,135,240.50
  6. Step 6: Final answer
    x = 1,026,360.18

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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.