Home / 1,203,085.09-1,660,147.01-693,689.05

Finding the Fourth Proportional to 1,203,085.09, 1,660,147.01 and 693,689.05

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Solution

The fourth proportional to 1,203,085.09, 1,660,147.01 and 693,689.05 is: 957,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,085.09 : 1,660,147.01 = 693,689.05 : x
  2. Step 2: Convert to fraction form
    1,203,085.09/1,660,147.01 = 693,689.05/x
  3. Step 3: Cross multiply
    1,203,085.09x = 1,660,147.01 × 693,689.05
  4. Step 4: Simplify right side
    1,203,085.09x = 1,151,625,793,926.51
  5. Step 5: Solve for x
    x = 1,151,625,793,926.51/1,203,085.09
  6. Step 6: Final answer
    x = 957,227.22

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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.