Home / 1,319,369.11-1,820,901.09-738,813.32

Finding the Fourth Proportional to 1,319,369.11, 1,820,901.09 and 738,813.32

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Solution

The fourth proportional to 1,319,369.11, 1,820,901.09 and 738,813.32 is: 1,019,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,369.11 : 1,820,901.09 = 738,813.32 : x
  2. Step 2: Convert to fraction form
    1,319,369.11/1,820,901.09 = 738,813.32/x
  3. Step 3: Cross multiply
    1,319,369.11x = 1,820,901.09 × 738,813.32
  4. Step 4: Simplify right side
    1,319,369.11x = 1,345,305,980,188.94
  5. Step 5: Solve for x
    x = 1,345,305,980,188.94/1,319,369.11
  6. Step 6: Final answer
    x = 1,019,658.54

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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.