Home / 889,619.20-1,334,601.60-384,179.20

Finding the Fourth Proportional to 889,619.20, 1,334,601.60 and 384,179.20

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Solution

The fourth proportional to 889,619.20, 1,334,601.60 and 384,179.20 is: 576,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,619.20 : 1,334,601.60 = 384,179.20 : x
  2. Step 2: Convert to fraction form
    889,619.20/1,334,601.60 = 384,179.20/x
  3. Step 3: Cross multiply
    889,619.20x = 1,334,601.60 × 384,179.20
  4. Step 4: Simplify right side
    889,619.20x = 512,726,175,006.72
  5. Step 5: Solve for x
    x = 512,726,175,006.72/889,619.20
  6. Step 6: Final answer
    x = 576,343.42

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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.