Home / 1,103,694.24-1,655,846.64-439,312.80

Finding the Fourth Proportional to 1,103,694.24, 1,655,846.64 and 439,312.80

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Solution

The fourth proportional to 1,103,694.24, 1,655,846.64 and 439,312.80 is: 659,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,694.24 : 1,655,846.64 = 439,312.80 : x
  2. Step 2: Convert to fraction form
    1,103,694.24/1,655,846.64 = 439,312.80/x
  3. Step 3: Cross multiply
    1,103,694.24x = 1,655,846.64 × 439,312.80
  4. Step 4: Simplify right side
    1,103,694.24x = 727,434,623,788.99
  5. Step 5: Solve for x
    x = 727,434,623,788.99/1,103,694.24
  6. Step 6: Final answer
    x = 659,090.71

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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.