Home / 1,720,854.63-2,374,781.37-956,891.79

Finding the Fourth Proportional to 1,720,854.63, 2,374,781.37 and 956,891.79

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Solution

The fourth proportional to 1,720,854.63, 2,374,781.37 and 956,891.79 is: 1,320,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,854.63 : 2,374,781.37 = 956,891.79 : x
  2. Step 2: Convert to fraction form
    1,720,854.63/2,374,781.37 = 956,891.79/x
  3. Step 3: Cross multiply
    1,720,854.63x = 2,374,781.37 × 956,891.79
  4. Step 4: Simplify right side
    1,720,854.63x = 2,272,408,795,997.95
  5. Step 5: Solve for x
    x = 2,272,408,795,997.95/1,720,854.63
  6. Step 6: Final answer
    x = 1,320,511.77

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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.