Home / 1,721,400.67-2,375,485.23-936,440.58

Finding the Fourth Proportional to 1,721,400.67, 2,375,485.23 and 936,440.58

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Solution

The fourth proportional to 1,721,400.67, 2,375,485.23 and 936,440.58 is: 1,292,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,400.67 : 2,375,485.23 = 936,440.58 : x
  2. Step 2: Convert to fraction form
    1,721,400.67/2,375,485.23 = 936,440.58/x
  3. Step 3: Cross multiply
    1,721,400.67x = 2,375,485.23 × 936,440.58
  4. Step 4: Simplify right side
    1,721,400.67x = 2,224,500,766,562.63
  5. Step 5: Solve for x
    x = 2,224,500,766,562.63/1,721,400.67
  6. Step 6: Final answer
    x = 1,292,262.05

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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.