Home / 524,599.07-786,941.96-221,081.04

Finding the Fourth Proportional to 524,599.07, 786,941.96 and 221,081.04

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Solution

The fourth proportional to 524,599.07, 786,941.96 and 221,081.04 is: 331,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,599.07 : 786,941.96 = 221,081.04 : x
  2. Step 2: Convert to fraction form
    524,599.07/786,941.96 = 221,081.04/x
  3. Step 3: Cross multiply
    524,599.07x = 786,941.96 × 221,081.04
  4. Step 4: Simplify right side
    524,599.07x = 173,977,945,831.03
  5. Step 5: Solve for x
    x = 173,977,945,831.03/524,599.07
  6. Step 6: Final answer
    x = 331,639.83

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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.