Home / 1,292,590.67-1,939,176.75-394,123.23

Finding the Fourth Proportional to 1,292,590.67, 1,939,176.75 and 394,123.23

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Solution

The fourth proportional to 1,292,590.67, 1,939,176.75 and 394,123.23 is: 591,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,590.67 : 1,939,176.75 = 394,123.23 : x
  2. Step 2: Convert to fraction form
    1,292,590.67/1,939,176.75 = 394,123.23/x
  3. Step 3: Cross multiply
    1,292,590.67x = 1,939,176.75 × 394,123.23
  4. Step 4: Simplify right side
    1,292,590.67x = 764,274,604,250.90
  5. Step 5: Solve for x
    x = 764,274,604,250.90/1,292,590.67
  6. Step 6: Final answer
    x = 591,273.50

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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.