Home / 1,112,814.99-1,669,345.20-354,480.03

Finding the Fourth Proportional to 1,112,814.99, 1,669,345.20 and 354,480.03

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Solution

The fourth proportional to 1,112,814.99, 1,669,345.20 and 354,480.03 is: 531,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,814.99 : 1,669,345.20 = 354,480.03 : x
  2. Step 2: Convert to fraction form
    1,112,814.99/1,669,345.20 = 354,480.03/x
  3. Step 3: Cross multiply
    1,112,814.99x = 1,669,345.20 × 354,480.03
  4. Step 4: Simplify right side
    1,112,814.99x = 591,749,536,576.36
  5. Step 5: Solve for x
    x = 591,749,536,576.36/1,112,814.99
  6. Step 6: Final answer
    x = 531,759.14

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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.