Home / 632,128.40-947,998.20-182,891.60

Finding the Fourth Proportional to 632,128.40, 947,998.20 and 182,891.60

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Solution

The fourth proportional to 632,128.40, 947,998.20 and 182,891.60 is: 274,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,128.40 : 947,998.20 = 182,891.60 : x
  2. Step 2: Convert to fraction form
    632,128.40/947,998.20 = 182,891.60/x
  3. Step 3: Cross multiply
    632,128.40x = 947,998.20 × 182,891.60
  4. Step 4: Simplify right side
    632,128.40x = 173,380,907,595.12
  5. Step 5: Solve for x
    x = 173,380,907,595.12/632,128.40
  6. Step 6: Final answer
    x = 274,281.15

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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.