Home / 1,612,905.16-2,419,707.66-490,945

Finding the Fourth Proportional to 1,612,905.16, 2,419,707.66 and 490,945

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Solution

The fourth proportional to 1,612,905.16, 2,419,707.66 and 490,945 is: 736,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,905.16 : 2,419,707.66 = 490,945 : x
  2. Step 2: Convert to fraction form
    1,612,905.16/2,419,707.66 = 490,945/x
  3. Step 3: Cross multiply
    1,612,905.16x = 2,419,707.66 × 490,945
  4. Step 4: Simplify right side
    1,612,905.16x = 1,187,943,377,138.70
  5. Step 5: Solve for x
    x = 1,187,943,377,138.70/1,612,905.16
  6. Step 6: Final answer
    x = 736,524.01

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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.