Home / 1,242,367.26-1,863,592.45-343,733.77

Finding the Fourth Proportional to 1,242,367.26, 1,863,592.45 and 343,733.77

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Solution

The fourth proportional to 1,242,367.26, 1,863,592.45 and 343,733.77 is: 515,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,367.26 : 1,863,592.45 = 343,733.77 : x
  2. Step 2: Convert to fraction form
    1,242,367.26/1,863,592.45 = 343,733.77/x
  3. Step 3: Cross multiply
    1,242,367.26x = 1,863,592.45 × 343,733.77
  4. Step 4: Simplify right side
    1,242,367.26x = 640,579,658,582.04
  5. Step 5: Solve for x
    x = 640,579,658,582.04/1,242,367.26
  6. Step 6: Final answer
    x = 515,612.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.