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Finding the Fourth Proportional to 1,254,763.83, 1,731,584.66 and 681,804.06

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Solution

The fourth proportional to 1,254,763.83, 1,731,584.66 and 681,804.06 is: 940,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,763.83 : 1,731,584.66 = 681,804.06 : x
  2. Step 2: Convert to fraction form
    1,254,763.83/1,731,584.66 = 681,804.06/x
  3. Step 3: Cross multiply
    1,254,763.83x = 1,731,584.66 × 681,804.06
  4. Step 4: Simplify right side
    1,254,763.83x = 1,180,601,448,012.70
  5. Step 5: Solve for x
    x = 1,180,601,448,012.70/1,254,763.83
  6. Step 6: Final answer
    x = 940,895.35

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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.