Home / 748,555.20-1,122,978.60-216,093.60

Finding the Fourth Proportional to 748,555.20, 1,122,978.60 and 216,093.60

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Solution

The fourth proportional to 748,555.20, 1,122,978.60 and 216,093.60 is: 324,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,555.20 : 1,122,978.60 = 216,093.60 : x
  2. Step 2: Convert to fraction form
    748,555.20/1,122,978.60 = 216,093.60/x
  3. Step 3: Cross multiply
    748,555.20x = 1,122,978.60 × 216,093.60
  4. Step 4: Simplify right side
    748,555.20x = 242,668,488,396.96
  5. Step 5: Solve for x
    x = 242,668,488,396.96/748,555.20
  6. Step 6: Final answer
    x = 324,182.49

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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.