Home / 654,718.79-982,119.71-205,457.39

Finding the Fourth Proportional to 654,718.79, 982,119.71 and 205,457.39

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Solution

The fourth proportional to 654,718.79, 982,119.71 and 205,457.39 is: 308,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,718.79 : 982,119.71 = 205,457.39 : x
  2. Step 2: Convert to fraction form
    654,718.79/982,119.71 = 205,457.39/x
  3. Step 3: Cross multiply
    654,718.79x = 982,119.71 × 205,457.39
  4. Step 4: Simplify right side
    654,718.79x = 201,783,752,284.16
  5. Step 5: Solve for x
    x = 201,783,752,284.16/654,718.79
  6. Step 6: Final answer
    x = 308,199.12

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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.