Home / 1,229,999.05-1,696,716.34-720,603.01

Finding the Fourth Proportional to 1,229,999.05, 1,696,716.34 and 720,603.01

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Solution

The fourth proportional to 1,229,999.05, 1,696,716.34 and 720,603.01 is: 994,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,999.05 : 1,696,716.34 = 720,603.01 : x
  2. Step 2: Convert to fraction form
    1,229,999.05/1,696,716.34 = 720,603.01/x
  3. Step 3: Cross multiply
    1,229,999.05x = 1,696,716.34 × 720,603.01
  4. Step 4: Simplify right side
    1,229,999.05x = 1,222,658,901,720.18
  5. Step 5: Solve for x
    x = 1,222,658,901,720.18/1,229,999.05
  6. Step 6: Final answer
    x = 994,032.40

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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.