Home / 1,285,668.65-1,928,564.49-1,060,611.77

Finding the Fourth Proportional to 1,285,668.65, 1,928,564.49 and 1,060,611.77

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Solution

The fourth proportional to 1,285,668.65, 1,928,564.49 and 1,060,611.77 is: 1,590,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,668.65 : 1,928,564.49 = 1,060,611.77 : x
  2. Step 2: Convert to fraction form
    1,285,668.65/1,928,564.49 = 1,060,611.77/x
  3. Step 3: Cross multiply
    1,285,668.65x = 1,928,564.49 × 1,060,611.77
  4. Step 4: Simplify right side
    1,285,668.65x = 2,045,458,187,655.22
  5. Step 5: Solve for x
    x = 2,045,458,187,655.22/1,285,668.65
  6. Step 6: Final answer
    x = 1,590,968.40

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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.