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Finding the Fourth Proportional to 1,254,859.93, 1,731,703.35 and 681,900.22

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Solution

The fourth proportional to 1,254,859.93, 1,731,703.35 and 681,900.22 is: 941,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,859.93 : 1,731,703.35 = 681,900.22 : x
  2. Step 2: Convert to fraction form
    1,254,859.93/1,731,703.35 = 681,900.22/x
  3. Step 3: Cross multiply
    1,254,859.93x = 1,731,703.35 × 681,900.22
  4. Step 4: Simplify right side
    1,254,859.93x = 1,180,848,895,339.74
  5. Step 5: Solve for x
    x = 1,180,848,895,339.74/1,254,859.93
  6. Step 6: Final answer
    x = 941,020.48

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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.