Home / 1,238,313.40-1,857,729.30-396,950.20

Finding the Fourth Proportional to 1,238,313.40, 1,857,729.30 and 396,950.20

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Solution

The fourth proportional to 1,238,313.40, 1,857,729.30 and 396,950.20 is: 595,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,313.40 : 1,857,729.30 = 396,950.20 : x
  2. Step 2: Convert to fraction form
    1,238,313.40/1,857,729.30 = 396,950.20/x
  3. Step 3: Cross multiply
    1,238,313.40x = 1,857,729.30 × 396,950.20
  4. Step 4: Simplify right side
    1,238,313.40x = 737,426,017,180.86
  5. Step 5: Solve for x
    x = 737,426,017,180.86/1,238,313.40
  6. Step 6: Final answer
    x = 595,508.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.