Home / 1,181,145.92-1,772,001.09-382,428.34

Finding the Fourth Proportional to 1,181,145.92, 1,772,001.09 and 382,428.34

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Solution

The fourth proportional to 1,181,145.92, 1,772,001.09 and 382,428.34 is: 573,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,145.92 : 1,772,001.09 = 382,428.34 : x
  2. Step 2: Convert to fraction form
    1,181,145.92/1,772,001.09 = 382,428.34/x
  3. Step 3: Cross multiply
    1,181,145.92x = 1,772,001.09 × 382,428.34
  4. Step 4: Simplify right side
    1,181,145.92x = 677,663,430,896.89
  5. Step 5: Solve for x
    x = 677,663,430,896.89/1,181,145.92
  6. Step 6: Final answer
    x = 573,733.88

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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.