Home / 1,265,984.74-1,899,061.61-445,224.86

Finding the Fourth Proportional to 1,265,984.74, 1,899,061.61 and 445,224.86

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Solution

The fourth proportional to 1,265,984.74, 1,899,061.61 and 445,224.86 is: 667,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,984.74 : 1,899,061.61 = 445,224.86 : x
  2. Step 2: Convert to fraction form
    1,265,984.74/1,899,061.61 = 445,224.86/x
  3. Step 3: Cross multiply
    1,265,984.74x = 1,899,061.61 × 445,224.86
  4. Step 4: Simplify right side
    1,265,984.74x = 845,509,437,217.50
  5. Step 5: Solve for x
    x = 845,509,437,217.50/1,265,984.74
  6. Step 6: Final answer
    x = 667,867.01

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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.