Home / 403,834.40-605,233.20-245,895.20

Finding the Fourth Proportional to 403,834.40, 605,233.20 and 245,895.20

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Solution

The fourth proportional to 403,834.40, 605,233.20 and 245,895.20 is: 368,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,834.40 : 605,233.20 = 245,895.20 : x
  2. Step 2: Convert to fraction form
    403,834.40/605,233.20 = 245,895.20/x
  3. Step 3: Cross multiply
    403,834.40x = 605,233.20 × 245,895.20
  4. Step 4: Simplify right side
    403,834.40x = 148,823,938,760.64
  5. Step 5: Solve for x
    x = 148,823,938,760.64/403,834.40
  6. Step 6: Final answer
    x = 368,527.15

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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.