Home / 1,397,509.29-1,929,161.48-962,536.86

Finding the Fourth Proportional to 1,397,509.29, 1,929,161.48 and 962,536.86

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Solution

The fourth proportional to 1,397,509.29, 1,929,161.48 and 962,536.86 is: 1,328,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,509.29 : 1,929,161.48 = 962,536.86 : x
  2. Step 2: Convert to fraction form
    1,397,509.29/1,929,161.48 = 962,536.86/x
  3. Step 3: Cross multiply
    1,397,509.29x = 1,929,161.48 × 962,536.86
  4. Step 4: Simplify right side
    1,397,509.29x = 1,856,889,028,579.47
  5. Step 5: Solve for x
    x = 1,856,889,028,579.47/1,397,509.29
  6. Step 6: Final answer
    x = 1,328,713.19

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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.