Home / 1,181,709.78-1,772,192.87-382,805.97

Finding the Fourth Proportional to 1,181,709.78, 1,772,192.87 and 382,805.97

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Solution

The fourth proportional to 1,181,709.78, 1,772,192.87 and 382,805.97 is: 574,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,709.78 : 1,772,192.87 = 382,805.97 : x
  2. Step 2: Convert to fraction form
    1,181,709.78/1,772,192.87 = 382,805.97/x
  3. Step 3: Cross multiply
    1,181,709.78x = 1,772,192.87 × 382,805.97
  4. Step 4: Simplify right side
    1,181,709.78x = 678,406,016,794.65
  5. Step 5: Solve for x
    x = 678,406,016,794.65/1,181,709.78
  6. Step 6: Final answer
    x = 574,088.52

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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.