Home / 1,189,166.80-1,783,743.54-290,613.28

Finding the Fourth Proportional to 1,189,166.80, 1,783,743.54 and 290,613.28

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Solution

The fourth proportional to 1,189,166.80, 1,783,743.54 and 290,613.28 is: 435,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,166.80 : 1,783,743.54 = 290,613.28 : x
  2. Step 2: Convert to fraction form
    1,189,166.80/1,783,743.54 = 290,613.28/x
  3. Step 3: Cross multiply
    1,189,166.80x = 1,783,743.54 × 290,613.28
  4. Step 4: Simplify right side
    1,189,166.80x = 518,379,560,838.21
  5. Step 5: Solve for x
    x = 518,379,560,838.21/1,189,166.80
  6. Step 6: Final answer
    x = 435,918.29

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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.