Home / 2,953,839.66-4,430,365.76-823,745.40

Finding the Fourth Proportional to 2,953,839.66, 4,430,365.76 and 823,745.40

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Solution

The fourth proportional to 2,953,839.66, 4,430,365.76 and 823,745.40 is: 1,235,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,839.66 : 4,430,365.76 = 823,745.40 : x
  2. Step 2: Convert to fraction form
    2,953,839.66/4,430,365.76 = 823,745.40/x
  3. Step 3: Cross multiply
    2,953,839.66x = 4,430,365.76 × 823,745.40
  4. Step 4: Simplify right side
    2,953,839.66x = 3,649,493,417,176.87
  5. Step 5: Solve for x
    x = 3,649,493,417,176.87/2,953,839.66
  6. Step 6: Final answer
    x = 1,235,508.30

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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.