Home / 1,328,004.63-1,991,456.93-416,882.66

Finding the Fourth Proportional to 1,328,004.63, 1,991,456.93 and 416,882.66

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Solution

The fourth proportional to 1,328,004.63, 1,991,456.93 and 416,882.66 is: 625,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,004.63 : 1,991,456.93 = 416,882.66 : x
  2. Step 2: Convert to fraction form
    1,328,004.63/1,991,456.93 = 416,882.66/x
  3. Step 3: Cross multiply
    1,328,004.63x = 1,991,456.93 × 416,882.66
  4. Step 4: Simplify right side
    1,328,004.63x = 830,203,850,212.14
  5. Step 5: Solve for x
    x = 830,203,850,212.14/1,328,004.63
  6. Step 6: Final answer
    x = 625,151.32

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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.