Home / 1,312,650.76-1,969,018.26-414,100.84

Finding the Fourth Proportional to 1,312,650.76, 1,969,018.26 and 414,100.84

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Solution

The fourth proportional to 1,312,650.76, 1,969,018.26 and 414,100.84 is: 621,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,650.76 : 1,969,018.26 = 414,100.84 : x
  2. Step 2: Convert to fraction form
    1,312,650.76/1,969,018.26 = 414,100.84/x
  3. Step 3: Cross multiply
    1,312,650.76x = 1,969,018.26 × 414,100.84
  4. Step 4: Simplify right side
    1,312,650.76x = 815,372,115,441.34
  5. Step 5: Solve for x
    x = 815,372,115,441.34/1,312,650.76
  6. Step 6: Final answer
    x = 621,164.55

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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.