Home / 1,272,516.86-1,756,106.80-699,571.46

Finding the Fourth Proportional to 1,272,516.86, 1,756,106.80 and 699,571.46

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Solution

The fourth proportional to 1,272,516.86, 1,756,106.80 and 699,571.46 is: 965,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,516.86 : 1,756,106.80 = 699,571.46 : x
  2. Step 2: Convert to fraction form
    1,272,516.86/1,756,106.80 = 699,571.46/x
  3. Step 3: Cross multiply
    1,272,516.86x = 1,756,106.80 × 699,571.46
  4. Step 4: Simplify right side
    1,272,516.86x = 1,228,522,197,991.93
  5. Step 5: Solve for x
    x = 1,228,522,197,991.93/1,272,516.86
  6. Step 6: Final answer
    x = 965,427.05

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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.