Home / 386,280.85-579,227.41-183,816.59

Finding the Fourth Proportional to 386,280.85, 579,227.41 and 183,816.59

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Solution

The fourth proportional to 386,280.85, 579,227.41 and 183,816.59 is: 275,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,280.85 : 579,227.41 = 183,816.59 : x
  2. Step 2: Convert to fraction form
    386,280.85/579,227.41 = 183,816.59/x
  3. Step 3: Cross multiply
    386,280.85x = 579,227.41 × 183,816.59
  4. Step 4: Simplify right side
    386,280.85x = 106,471,606,898.55
  5. Step 5: Solve for x
    x = 106,471,606,898.55/386,280.85
  6. Step 6: Final answer
    x = 275,632.63

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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.