Home / 1,203,085.34-1,660,147.36-693,689.30

Finding the Fourth Proportional to 1,203,085.34, 1,660,147.36 and 693,689.30

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Solution

The fourth proportional to 1,203,085.34, 1,660,147.36 and 693,689.30 is: 957,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,085.34 : 1,660,147.36 = 693,689.30 : x
  2. Step 2: Convert to fraction form
    1,203,085.34/1,660,147.36 = 693,689.30/x
  3. Step 3: Cross multiply
    1,203,085.34x = 1,660,147.36 × 693,689.30
  4. Step 4: Simplify right side
    1,203,085.34x = 1,151,626,450,020.29
  5. Step 5: Solve for x
    x = 1,151,626,450,020.29/1,203,085.34
  6. Step 6: Final answer
    x = 957,227.57

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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.