Home / 1,475,986.53-2,036,865.11-855,911.89

Finding the Fourth Proportional to 1,475,986.53, 2,036,865.11 and 855,911.89

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Solution

The fourth proportional to 1,475,986.53, 2,036,865.11 and 855,911.89 is: 1,181,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,986.53 : 2,036,865.11 = 855,911.89 : x
  2. Step 2: Convert to fraction form
    1,475,986.53/2,036,865.11 = 855,911.89/x
  3. Step 3: Cross multiply
    1,475,986.53x = 2,036,865.11 × 855,911.89
  4. Step 4: Simplify right side
    1,475,986.53x = 1,743,377,065,975.16
  5. Step 5: Solve for x
    x = 1,743,377,065,975.16/1,475,986.53
  6. Step 6: Final answer
    x = 1,181,160.55

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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.