Home / 376,453.24-519,437.70-213,108.64

Finding the Fourth Proportional to 376,453.24, 519,437.70 and 213,108.64

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Solution

The fourth proportional to 376,453.24, 519,437.70 and 213,108.64 is: 294,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,453.24 : 519,437.70 = 213,108.64 : x
  2. Step 2: Convert to fraction form
    376,453.24/519,437.70 = 213,108.64/x
  3. Step 3: Cross multiply
    376,453.24x = 519,437.70 × 213,108.64
  4. Step 4: Simplify right side
    376,453.24x = 110,696,661,811.73
  5. Step 5: Solve for x
    x = 110,696,661,811.73/376,453.24
  6. Step 6: Final answer
    x = 294,051.56

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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.