Home / 609,403.56-913,545.54-209,949.36

Finding the Fourth Proportional to 609,403.56, 913,545.54 and 209,949.36

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Solution

The fourth proportional to 609,403.56, 913,545.54 and 209,949.36 is: 314,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,403.56 : 913,545.54 = 209,949.36 : x
  2. Step 2: Convert to fraction form
    609,403.56/913,545.54 = 209,949.36/x
  3. Step 3: Cross multiply
    609,403.56x = 913,545.54 × 209,949.36
  4. Step 4: Simplify right side
    609,403.56x = 191,798,301,453.85
  5. Step 5: Solve for x
    x = 191,798,301,453.85/609,403.56
  6. Step 6: Final answer
    x = 314,731.18

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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.