Home / 1,288,653.12-1,933,642.98-531,054.36

Finding the Fourth Proportional to 1,288,653.12, 1,933,642.98 and 531,054.36

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Solution

The fourth proportional to 1,288,653.12, 1,933,642.98 and 531,054.36 is: 796,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,653.12 : 1,933,642.98 = 531,054.36 : x
  2. Step 2: Convert to fraction form
    1,288,653.12/1,933,642.98 = 531,054.36/x
  3. Step 3: Cross multiply
    1,288,653.12x = 1,933,642.98 × 531,054.36
  4. Step 4: Simplify right side
    1,288,653.12x = 1,026,869,535,212.39
  5. Step 5: Solve for x
    x = 1,026,869,535,212.39/1,288,653.12
  6. Step 6: Final answer
    x = 796,854.89

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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.