Home / 1,245,047.26-1,718,119.84-693,734.46

Finding the Fourth Proportional to 1,245,047.26, 1,718,119.84 and 693,734.46

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Solution

The fourth proportional to 1,245,047.26, 1,718,119.84 and 693,734.46 is: 957,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,047.26 : 1,718,119.84 = 693,734.46 : x
  2. Step 2: Convert to fraction form
    1,245,047.26/1,718,119.84 = 693,734.46/x
  3. Step 3: Cross multiply
    1,245,047.26x = 1,718,119.84 × 693,734.46
  4. Step 4: Simplify right side
    1,245,047.26x = 1,191,918,939,417.69
  5. Step 5: Solve for x
    x = 1,191,918,939,417.69/1,245,047.26
  6. Step 6: Final answer
    x = 957,328.27

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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.