Home / 409,943.34-614,988.81-196,530.39

Finding the Fourth Proportional to 409,943.34, 614,988.81 and 196,530.39

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Solution

The fourth proportional to 409,943.34, 614,988.81 and 196,530.39 is: 294,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,943.34 : 614,988.81 = 196,530.39 : x
  2. Step 2: Convert to fraction form
    409,943.34/614,988.81 = 196,530.39/x
  3. Step 3: Cross multiply
    409,943.34x = 614,988.81 × 196,530.39
  4. Step 4: Simplify right side
    409,943.34x = 120,863,990,674.94
  5. Step 5: Solve for x
    x = 120,863,990,674.94/409,943.34
  6. Step 6: Final answer
    x = 294,830.97

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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.