Home / 609,162.03-913,804.25-209,749.95

Finding the Fourth Proportional to 609,162.03, 913,804.25 and 209,749.95

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Solution

The fourth proportional to 609,162.03, 913,804.25 and 209,749.95 is: 314,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,162.03 : 913,804.25 = 209,749.95 : x
  2. Step 2: Convert to fraction form
    609,162.03/913,804.25 = 209,749.95/x
  3. Step 3: Cross multiply
    609,162.03x = 913,804.25 × 209,749.95
  4. Step 4: Simplify right side
    609,162.03x = 191,670,395,747.29
  5. Step 5: Solve for x
    x = 191,670,395,747.29/609,162.03
  6. Step 6: Final answer
    x = 314,646.00

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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.