Home / 1,167,309.96-1,751,172.30-398,765.76

Finding the Fourth Proportional to 1,167,309.96, 1,751,172.30 and 398,765.76

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Solution

The fourth proportional to 1,167,309.96, 1,751,172.30 and 398,765.76 is: 598,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,309.96 : 1,751,172.30 = 398,765.76 : x
  2. Step 2: Convert to fraction form
    1,167,309.96/1,751,172.30 = 398,765.76/x
  3. Step 3: Cross multiply
    1,167,309.96x = 1,751,172.30 × 398,765.76
  4. Step 4: Simplify right side
    1,167,309.96x = 698,307,553,100.45
  5. Step 5: Solve for x
    x = 698,307,553,100.45/1,167,309.96
  6. Step 6: Final answer
    x = 598,219.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.