Home / 1,608,128.29-2,219,248.78-882,969.66

Finding the Fourth Proportional to 1,608,128.29, 2,219,248.78 and 882,969.66

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Solution

The fourth proportional to 1,608,128.29, 2,219,248.78 and 882,969.66 is: 1,218,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,128.29 : 2,219,248.78 = 882,969.66 : x
  2. Step 2: Convert to fraction form
    1,608,128.29/2,219,248.78 = 882,969.66/x
  3. Step 3: Cross multiply
    1,608,128.29x = 2,219,248.78 × 882,969.66
  4. Step 4: Simplify right side
    1,608,128.29x = 1,959,529,340,732.01
  5. Step 5: Solve for x
    x = 1,959,529,340,732.01/1,608,128.29
  6. Step 6: Final answer
    x = 1,218,515.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.