Home / 609,021.36-913,510.14-159,738.64

Finding the Fourth Proportional to 609,021.36, 913,510.14 and 159,738.64

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Solution

The fourth proportional to 609,021.36, 913,510.14 and 159,738.64 is: 239,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,021.36 : 913,510.14 = 159,738.64 : x
  2. Step 2: Convert to fraction form
    609,021.36/913,510.14 = 159,738.64/x
  3. Step 3: Cross multiply
    609,021.36x = 913,510.14 × 159,738.64
  4. Step 4: Simplify right side
    609,021.36x = 145,922,867,389.81
  5. Step 5: Solve for x
    x = 145,922,867,389.81/609,021.36
  6. Step 6: Final answer
    x = 239,602.22

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1.5x scale

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.