Home / 545,739.88-818,569.86-171,869.80

Finding the Fourth Proportional to 545,739.88, 818,569.86 and 171,869.80

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Solution

The fourth proportional to 545,739.88, 818,569.86 and 171,869.80 is: 257,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,739.88 : 818,569.86 = 171,869.80 : x
  2. Step 2: Convert to fraction form
    545,739.88/818,569.86 = 171,869.80/x
  3. Step 3: Cross multiply
    545,739.88x = 818,569.86 × 171,869.80
  4. Step 4: Simplify right side
    545,739.88x = 140,687,438,124.23
  5. Step 5: Solve for x
    x = 140,687,438,124.23/545,739.88
  6. Step 6: Final answer
    x = 257,792.12

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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.