Home / 1,298,497.99-1,947,956.27-399,939.43

Finding the Fourth Proportional to 1,298,497.99, 1,947,956.27 and 399,939.43

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Solution

The fourth proportional to 1,298,497.99, 1,947,956.27 and 399,939.43 is: 599,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,497.99 : 1,947,956.27 = 399,939.43 : x
  2. Step 2: Convert to fraction form
    1,298,497.99/1,947,956.27 = 399,939.43/x
  3. Step 3: Cross multiply
    1,298,497.99x = 1,947,956.27 × 399,939.43
  4. Step 4: Simplify right side
    1,298,497.99x = 779,064,520,288.73
  5. Step 5: Solve for x
    x = 779,064,520,288.73/1,298,497.99
  6. Step 6: Final answer
    x = 599,973.61

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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.