Home / 1,296,949.55-1,945,430.03-538,790.40

Finding the Fourth Proportional to 1,296,949.55, 1,945,430.03 and 538,790.40

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Solution

The fourth proportional to 1,296,949.55, 1,945,430.03 and 538,790.40 is: 808,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,949.55 : 1,945,430.03 = 538,790.40 : x
  2. Step 2: Convert to fraction form
    1,296,949.55/1,945,430.03 = 538,790.40/x
  3. Step 3: Cross multiply
    1,296,949.55x = 1,945,430.03 × 538,790.40
  4. Step 4: Simplify right side
    1,296,949.55x = 1,048,179,025,382.69
  5. Step 5: Solve for x
    x = 1,048,179,025,382.69/1,296,949.55
  6. Step 6: Final answer
    x = 808,187.97

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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.