Home / 969,041.44-1,336,518.48-629,620

Finding the Fourth Proportional to 969,041.44, 1,336,518.48 and 629,620

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Solution

The fourth proportional to 969,041.44, 1,336,518.48 and 629,620 is: 868,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,041.44 : 1,336,518.48 = 629,620 : x
  2. Step 2: Convert to fraction form
    969,041.44/1,336,518.48 = 629,620/x
  3. Step 3: Cross multiply
    969,041.44x = 1,336,518.48 × 629,620
  4. Step 4: Simplify right side
    969,041.44x = 841,498,765,377.60
  5. Step 5: Solve for x
    x = 841,498,765,377.60/969,041.44
  6. Step 6: Final answer
    x = 868,382.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.