Home / 1,418,105.25-1,957,204.23-837,390.51

Finding the Fourth Proportional to 1,418,105.25, 1,957,204.23 and 837,390.51

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Solution

The fourth proportional to 1,418,105.25, 1,957,204.23 and 837,390.51 is: 1,155,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,105.25 : 1,957,204.23 = 837,390.51 : x
  2. Step 2: Convert to fraction form
    1,418,105.25/1,957,204.23 = 837,390.51/x
  3. Step 3: Cross multiply
    1,418,105.25x = 1,957,204.23 × 837,390.51
  4. Step 4: Simplify right side
    1,418,105.25x = 1,638,944,248,333.86
  5. Step 5: Solve for x
    x = 1,638,944,248,333.86/1,418,105.25
  6. Step 6: Final answer
    x = 1,155,728.21

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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.