Home / 1,081,188.65-1,622,590.82-407,933.93

Finding the Fourth Proportional to 1,081,188.65, 1,622,590.82 and 407,933.93

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Solution

The fourth proportional to 1,081,188.65, 1,622,590.82 and 407,933.93 is: 612,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,188.65 : 1,622,590.82 = 407,933.93 : x
  2. Step 2: Convert to fraction form
    1,081,188.65/1,622,590.82 = 407,933.93/x
  3. Step 3: Cross multiply
    1,081,188.65x = 1,622,590.82 × 407,933.93
  4. Step 4: Simplify right side
    1,081,188.65x = 661,909,849,984.52
  5. Step 5: Solve for x
    x = 661,909,849,984.52/1,081,188.65
  6. Step 6: Final answer
    x = 612,205.70

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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.