Home / 621,091.83-931,637.96-194,660.74

Finding the Fourth Proportional to 621,091.83, 931,637.96 and 194,660.74

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Solution

The fourth proportional to 621,091.83, 931,637.96 and 194,660.74 is: 291,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,091.83 : 931,637.96 = 194,660.74 : x
  2. Step 2: Convert to fraction form
    621,091.83/931,637.96 = 194,660.74/x
  3. Step 3: Cross multiply
    621,091.83x = 931,637.96 × 194,660.74
  4. Step 4: Simplify right side
    621,091.83x = 181,353,334,705.69
  5. Step 5: Solve for x
    x = 181,353,334,705.69/621,091.83
  6. Step 6: Final answer
    x = 291,991.18

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Similar ratio
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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.