Home / 1,211,677.88-1,672,047.28-667,812.04

Finding the Fourth Proportional to 1,211,677.88, 1,672,047.28 and 667,812.04

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Solution

The fourth proportional to 1,211,677.88, 1,672,047.28 and 667,812.04 is: 921,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,677.88 : 1,672,047.28 = 667,812.04 : x
  2. Step 2: Convert to fraction form
    1,211,677.88/1,672,047.28 = 667,812.04/x
  3. Step 3: Cross multiply
    1,211,677.88x = 1,672,047.28 × 667,812.04
  4. Step 4: Simplify right side
    1,211,677.88x = 1,116,613,305,033.25
  5. Step 5: Solve for x
    x = 1,116,613,305,033.25/1,211,677.88
  6. Step 6: Final answer
    x = 921,543.03

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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.