Home / 1,229,845.79-1,697,114.10-713,559.69

Finding the Fourth Proportional to 1,229,845.79, 1,697,114.10 and 713,559.69

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Solution

The fourth proportional to 1,229,845.79, 1,697,114.10 and 713,559.69 is: 984,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,845.79 : 1,697,114.10 = 713,559.69 : x
  2. Step 2: Convert to fraction form
    1,229,845.79/1,697,114.10 = 713,559.69/x
  3. Step 3: Cross multiply
    1,229,845.79x = 1,697,114.10 × 713,559.69
  4. Step 4: Simplify right side
    1,229,845.79x = 1,210,992,211,090.63
  5. Step 5: Solve for x
    x = 1,210,992,211,090.63/1,229,845.79
  6. Step 6: Final answer
    x = 984,669.97

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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.