Home / 1,548,811.72-2,323,334.22-426,871

Finding the Fourth Proportional to 1,548,811.72, 2,323,334.22 and 426,871

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Solution

The fourth proportional to 1,548,811.72, 2,323,334.22 and 426,871 is: 640,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,811.72 : 2,323,334.22 = 426,871 : x
  2. Step 2: Convert to fraction form
    1,548,811.72/2,323,334.22 = 426,871/x
  3. Step 3: Cross multiply
    1,548,811.72x = 2,323,334.22 × 426,871
  4. Step 4: Simplify right side
    1,548,811.72x = 991,764,001,825.62
  5. Step 5: Solve for x
    x = 991,764,001,825.62/1,548,811.72
  6. Step 6: Final answer
    x = 640,338.65

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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.