Home / 621,176.18-931,784.95-171,859.42

Finding the Fourth Proportional to 621,176.18, 931,784.95 and 171,859.42

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Solution

The fourth proportional to 621,176.18, 931,784.95 and 171,859.42 is: 257,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,176.18 : 931,784.95 = 171,859.42 : x
  2. Step 2: Convert to fraction form
    621,176.18/931,784.95 = 171,859.42/x
  3. Step 3: Cross multiply
    621,176.18x = 931,784.95 × 171,859.42
  4. Step 4: Simplify right side
    621,176.18x = 160,136,022,451.29
  5. Step 5: Solve for x
    x = 160,136,022,451.29/621,176.18
  6. Step 6: Final answer
    x = 257,794.86

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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.