Home / 386,444.61-533,324.52-214,379.55

Finding the Fourth Proportional to 386,444.61, 533,324.52 and 214,379.55

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Solution

The fourth proportional to 386,444.61, 533,324.52 and 214,379.55 is: 295,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,444.61 : 533,324.52 = 214,379.55 : x
  2. Step 2: Convert to fraction form
    386,444.61/533,324.52 = 214,379.55/x
  3. Step 3: Cross multiply
    386,444.61x = 533,324.52 × 214,379.55
  4. Step 4: Simplify right side
    386,444.61x = 114,333,870,601.57
  5. Step 5: Solve for x
    x = 114,333,870,601.57/386,444.61
  6. Step 6: Final answer
    x = 295,860.95

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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.