Home / 1,254,625.47-1,731,398.90-681,675.21

Finding the Fourth Proportional to 1,254,625.47, 1,731,398.90 and 681,675.21

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Solution

The fourth proportional to 1,254,625.47, 1,731,398.90 and 681,675.21 is: 940,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,625.47 : 1,731,398.90 = 681,675.21 : x
  2. Step 2: Convert to fraction form
    1,254,625.47/1,731,398.90 = 681,675.21/x
  3. Step 3: Cross multiply
    1,254,625.47x = 1,731,398.90 × 681,675.21
  4. Step 4: Simplify right side
    1,254,625.47x = 1,180,251,705,342.89
  5. Step 5: Solve for x
    x = 1,180,251,705,342.89/1,254,625.47
  6. Step 6: Final answer
    x = 940,720.35

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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.