Home / 445,923.03-669,040.06-189,885.27

Finding the Fourth Proportional to 445,923.03, 669,040.06 and 189,885.27

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Solution

The fourth proportional to 445,923.03, 669,040.06 and 189,885.27 is: 284,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,923.03 : 669,040.06 = 189,885.27 : x
  2. Step 2: Convert to fraction form
    445,923.03/669,040.06 = 189,885.27/x
  3. Step 3: Cross multiply
    445,923.03x = 669,040.06 × 189,885.27
  4. Step 4: Simplify right side
    445,923.03x = 127,040,852,433.92
  5. Step 5: Solve for x
    x = 127,040,852,433.92/445,923.03
  6. Step 6: Final answer
    x = 284,894.13

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1.5x scale

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.