Home / 1,418,704.07-1,957,858.90-774,159.66

Finding the Fourth Proportional to 1,418,704.07, 1,957,858.90 and 774,159.66

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Solution

The fourth proportional to 1,418,704.07, 1,957,858.90 and 774,159.66 is: 1,068,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,704.07 : 1,957,858.90 = 774,159.66 : x
  2. Step 2: Convert to fraction form
    1,418,704.07/1,957,858.90 = 774,159.66/x
  3. Step 3: Cross multiply
    1,418,704.07x = 1,957,858.90 × 774,159.66
  4. Step 4: Simplify right side
    1,418,704.07x = 1,515,695,378,416.58
  5. Step 5: Solve for x
    x = 1,515,695,378,416.58/1,418,704.07
  6. Step 6: Final answer
    x = 1,068,366.13

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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.