Home / 1,259,523.32-1,738,142.24-686,563.49

Finding the Fourth Proportional to 1,259,523.32, 1,738,142.24 and 686,563.49

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Solution

The fourth proportional to 1,259,523.32, 1,738,142.24 and 686,563.49 is: 947,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,523.32 : 1,738,142.24 = 686,563.49 : x
  2. Step 2: Convert to fraction form
    1,259,523.32/1,738,142.24 = 686,563.49/x
  3. Step 3: Cross multiply
    1,259,523.32x = 1,738,142.24 × 686,563.49
  4. Step 4: Simplify right side
    1,259,523.32x = 1,193,345,003,323.36
  5. Step 5: Solve for x
    x = 1,193,345,003,323.36/1,259,523.32
  6. Step 6: Final answer
    x = 947,457.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.