Home / 1,212,499.41-1,673,571.17-716,218.53

Finding the Fourth Proportional to 1,212,499.41, 1,673,571.17 and 716,218.53

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Solution

The fourth proportional to 1,212,499.41, 1,673,571.17 and 716,218.53 is: 988,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,499.41 : 1,673,571.17 = 716,218.53 : x
  2. Step 2: Convert to fraction form
    1,212,499.41/1,673,571.17 = 716,218.53/x
  3. Step 3: Cross multiply
    1,212,499.41x = 1,673,571.17 × 716,218.53
  4. Step 4: Simplify right side
    1,212,499.41x = 1,198,642,679,646.69
  5. Step 5: Solve for x
    x = 1,198,642,679,646.69/1,212,499.41
  6. Step 6: Final answer
    x = 988,571.76

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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.