Home / 1,339,608.68-1,848,617.32-766,636.55

Finding the Fourth Proportional to 1,339,608.68, 1,848,617.32 and 766,636.55

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Solution

The fourth proportional to 1,339,608.68, 1,848,617.32 and 766,636.55 is: 1,057,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,608.68 : 1,848,617.32 = 766,636.55 : x
  2. Step 2: Convert to fraction form
    1,339,608.68/1,848,617.32 = 766,636.55/x
  3. Step 3: Cross multiply
    1,339,608.68x = 1,848,617.32 × 766,636.55
  4. Step 4: Simplify right side
    1,339,608.68x = 1,417,217,604,475.05
  5. Step 5: Solve for x
    x = 1,417,217,604,475.05/1,339,608.68
  6. Step 6: Final answer
    x = 1,057,934.03

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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.