Home / 1,345,800.96-2,018,810.79-399,168.95

Finding the Fourth Proportional to 1,345,800.96, 2,018,810.79 and 399,168.95

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Solution

The fourth proportional to 1,345,800.96, 2,018,810.79 and 399,168.95 is: 598,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,800.96 : 2,018,810.79 = 399,168.95 : x
  2. Step 2: Convert to fraction form
    1,345,800.96/2,018,810.79 = 399,168.95/x
  3. Step 3: Cross multiply
    1,345,800.96x = 2,018,810.79 × 399,168.95
  4. Step 4: Simplify right side
    1,345,800.96x = 805,846,573,198.92
  5. Step 5: Solve for x
    x = 805,846,573,198.92/1,345,800.96
  6. Step 6: Final answer
    x = 598,785.85

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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.