Home / 1,271,989.75-1,908,859.43-524,035.75

Finding the Fourth Proportional to 1,271,989.75, 1,908,859.43 and 524,035.75

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Solution

The fourth proportional to 1,271,989.75, 1,908,859.43 and 524,035.75 is: 786,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,989.75 : 1,908,859.43 = 524,035.75 : x
  2. Step 2: Convert to fraction form
    1,271,989.75/1,908,859.43 = 524,035.75/x
  3. Step 3: Cross multiply
    1,271,989.75x = 1,908,859.43 × 524,035.75
  4. Step 4: Simplify right side
    1,271,989.75x = 1,000,310,583,044.62
  5. Step 5: Solve for x
    x = 1,000,310,583,044.62/1,271,989.75
  6. Step 6: Final answer
    x = 786,414.03

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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.