Home / 1,203,218.28-1,660,441.26-666,674.28

Finding the Fourth Proportional to 1,203,218.28, 1,660,441.26 and 666,674.28

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Solution

The fourth proportional to 1,203,218.28, 1,660,441.26 and 666,674.28 is: 920,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,218.28 : 1,660,441.26 = 666,674.28 : x
  2. Step 2: Convert to fraction form
    1,203,218.28/1,660,441.26 = 666,674.28/x
  3. Step 3: Cross multiply
    1,203,218.28x = 1,660,441.26 × 666,674.28
  4. Step 4: Simplify right side
    1,203,218.28x = 1,106,973,481,492.79
  5. Step 5: Solve for x
    x = 1,106,973,481,492.79/1,203,218.28
  6. Step 6: Final answer
    x = 920,010.53

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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.