Home / 670,156.44-1,005,185.40-196,878.84

Finding the Fourth Proportional to 670,156.44, 1,005,185.40 and 196,878.84

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Solution

The fourth proportional to 670,156.44, 1,005,185.40 and 196,878.84 is: 295,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,156.44 : 1,005,185.40 = 196,878.84 : x
  2. Step 2: Convert to fraction form
    670,156.44/1,005,185.40 = 196,878.84/x
  3. Step 3: Cross multiply
    670,156.44x = 1,005,185.40 × 196,878.84
  4. Step 4: Simplify right side
    670,156.44x = 197,899,735,536.94
  5. Step 5: Solve for x
    x = 197,899,735,536.94/670,156.44
  6. Step 6: Final answer
    x = 295,303.79

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Double scale
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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.