Home / 1,245,166.20-1,867,749.30-403,717.95

Finding the Fourth Proportional to 1,245,166.20, 1,867,749.30 and 403,717.95

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Solution

The fourth proportional to 1,245,166.20, 1,867,749.30 and 403,717.95 is: 605,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,166.20 : 1,867,749.30 = 403,717.95 : x
  2. Step 2: Convert to fraction form
    1,245,166.20/1,867,749.30 = 403,717.95/x
  3. Step 3: Cross multiply
    1,245,166.20x = 1,867,749.30 × 403,717.95
  4. Step 4: Simplify right side
    1,245,166.20x = 754,043,918,509.94
  5. Step 5: Solve for x
    x = 754,043,918,509.94/1,245,166.20
  6. Step 6: Final answer
    x = 605,576.93

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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.