Home / 492,769.10-738,116.85-409,825.10

Finding the Fourth Proportional to 492,769.10, 738,116.85 and 409,825.10

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Solution

The fourth proportional to 492,769.10, 738,116.85 and 409,825.10 is: 613,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,769.10 : 738,116.85 = 409,825.10 : x
  2. Step 2: Convert to fraction form
    492,769.10/738,116.85 = 409,825.10/x
  3. Step 3: Cross multiply
    492,769.10x = 738,116.85 × 409,825.10
  4. Step 4: Simplify right side
    492,769.10x = 302,498,811,862.94
  5. Step 5: Solve for x
    x = 302,498,811,862.94/492,769.10
  6. Step 6: Final answer
    x = 613,875.37

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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.