Home / 328,629.56-453,510.16-177,726.56

Finding the Fourth Proportional to 328,629.56, 453,510.16 and 177,726.56

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Solution

The fourth proportional to 328,629.56, 453,510.16 and 177,726.56 is: 245,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,629.56 : 453,510.16 = 177,726.56 : x
  2. Step 2: Convert to fraction form
    328,629.56/453,510.16 = 177,726.56/x
  3. Step 3: Cross multiply
    328,629.56x = 453,510.16 × 177,726.56
  4. Step 4: Simplify right side
    328,629.56x = 80,600,797,949.98
  5. Step 5: Solve for x
    x = 80,600,797,949.98/328,629.56
  6. Step 6: Final answer
    x = 245,263.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.