Home / 1,272,525.36-1,756,118.52-699,579.96

Finding the Fourth Proportional to 1,272,525.36, 1,756,118.52 and 699,579.96

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Solution

The fourth proportional to 1,272,525.36, 1,756,118.52 and 699,579.96 is: 965,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,525.36 : 1,756,118.52 = 699,579.96 : x
  2. Step 2: Convert to fraction form
    1,272,525.36/1,756,118.52 = 699,579.96/x
  3. Step 3: Cross multiply
    1,272,525.36x = 1,756,118.52 × 699,579.96
  4. Step 4: Simplify right side
    1,272,525.36x = 1,228,545,323,976.86
  5. Step 5: Solve for x
    x = 1,228,545,323,976.86/1,272,525.36
  6. Step 6: Final answer
    x = 965,438.77

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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.