Home / 621,116.43-931,675.21-194,685.60

Finding the Fourth Proportional to 621,116.43, 931,675.21 and 194,685.60

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Solution

The fourth proportional to 621,116.43, 931,675.21 and 194,685.60 is: 292,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,116.43 : 931,675.21 = 194,685.60 : x
  2. Step 2: Convert to fraction form
    621,116.43/931,675.21 = 194,685.60/x
  3. Step 3: Cross multiply
    621,116.43x = 931,675.21 × 194,685.60
  4. Step 4: Simplify right side
    621,116.43x = 181,383,748,745.81
  5. Step 5: Solve for x
    x = 181,383,748,745.81/621,116.43
  6. Step 6: Final answer
    x = 292,028.58

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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.