Home / 1,243,643.24-1,716,216.56-699,768.16

Finding the Fourth Proportional to 1,243,643.24, 1,716,216.56 and 699,768.16

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Solution

The fourth proportional to 1,243,643.24, 1,716,216.56 and 699,768.16 is: 965,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,643.24 : 1,716,216.56 = 699,768.16 : x
  2. Step 2: Convert to fraction form
    1,243,643.24/1,716,216.56 = 699,768.16/x
  3. Step 3: Cross multiply
    1,243,643.24x = 1,716,216.56 × 699,768.16
  4. Step 4: Simplify right side
    1,243,643.24x = 1,200,953,696,563.35
  5. Step 5: Solve for x
    x = 1,200,953,696,563.35/1,243,643.24
  6. Step 6: Final answer
    x = 965,673.81

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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.