Home / 1,130,049.39-1,559,028.66-639,906.39

Finding the Fourth Proportional to 1,130,049.39, 1,559,028.66 and 639,906.39

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Solution

The fourth proportional to 1,130,049.39, 1,559,028.66 and 639,906.39 is: 882,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,049.39 : 1,559,028.66 = 639,906.39 : x
  2. Step 2: Convert to fraction form
    1,130,049.39/1,559,028.66 = 639,906.39/x
  3. Step 3: Cross multiply
    1,130,049.39x = 1,559,028.66 × 639,906.39
  4. Step 4: Simplify right side
    1,130,049.39x = 997,632,401,727.14
  5. Step 5: Solve for x
    x = 997,632,401,727.14/1,130,049.39
  6. Step 6: Final answer
    x = 882,821.95

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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.