Home / 1,264,540.28-1,896,334.34-411,388.74

Finding the Fourth Proportional to 1,264,540.28, 1,896,334.34 and 411,388.74

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Solution

The fourth proportional to 1,264,540.28, 1,896,334.34 and 411,388.74 is: 616,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,540.28 : 1,896,334.34 = 411,388.74 : x
  2. Step 2: Convert to fraction form
    1,264,540.28/1,896,334.34 = 411,388.74/x
  3. Step 3: Cross multiply
    1,264,540.28x = 1,896,334.34 × 411,388.74
  4. Step 4: Simplify right side
    1,264,540.28x = 780,130,592,694.39
  5. Step 5: Solve for x
    x = 780,130,592,694.39/1,264,540.28
  6. Step 6: Final answer
    x = 616,928.23

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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.