Home / 1,685,410.11-2,528,367.27-620,371.08

Finding the Fourth Proportional to 1,685,410.11, 2,528,367.27 and 620,371.08

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Solution

The fourth proportional to 1,685,410.11, 2,528,367.27 and 620,371.08 is: 930,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,410.11 : 2,528,367.27 = 620,371.08 : x
  2. Step 2: Convert to fraction form
    1,685,410.11/2,528,367.27 = 620,371.08/x
  3. Step 3: Cross multiply
    1,685,410.11x = 2,528,367.27 × 620,371.08
  4. Step 4: Simplify right side
    1,685,410.11x = 1,568,525,933,926.55
  5. Step 5: Solve for x
    x = 1,568,525,933,926.55/1,685,410.11
  6. Step 6: Final answer
    x = 930,649.42

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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.