Home / 1,019,755.12-1,407,296.16-560,889.04

Finding the Fourth Proportional to 1,019,755.12, 1,407,296.16 and 560,889.04

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Solution

The fourth proportional to 1,019,755.12, 1,407,296.16 and 560,889.04 is: 774,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,755.12 : 1,407,296.16 = 560,889.04 : x
  2. Step 2: Convert to fraction form
    1,019,755.12/1,407,296.16 = 560,889.04/x
  3. Step 3: Cross multiply
    1,019,755.12x = 1,407,296.16 × 560,889.04
  4. Step 4: Simplify right side
    1,019,755.12x = 789,336,992,178.09
  5. Step 5: Solve for x
    x = 789,336,992,178.09/1,019,755.12
  6. Step 6: Final answer
    x = 774,045.63

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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.