Home / 1,339,628.85-1,848,690-727,784.01

Finding the Fourth Proportional to 1,339,628.85, 1,848,690 and 727,784.01

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Solution

The fourth proportional to 1,339,628.85, 1,848,690 and 727,784.01 is: 1,004,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,628.85 : 1,848,690 = 727,784.01 : x
  2. Step 2: Convert to fraction form
    1,339,628.85/1,848,690 = 727,784.01/x
  3. Step 3: Cross multiply
    1,339,628.85x = 1,848,690 × 727,784.01
  4. Step 4: Simplify right side
    1,339,628.85x = 1,345,447,021,446.90
  5. Step 5: Solve for x
    x = 1,345,447,021,446.90/1,339,628.85
  6. Step 6: Final answer
    x = 1,004,343.12

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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.