Home / 744,554.52-1,027,484.46-405,021.96

Finding the Fourth Proportional to 744,554.52, 1,027,484.46 and 405,021.96

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Solution

The fourth proportional to 744,554.52, 1,027,484.46 and 405,021.96 is: 558,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,554.52 : 1,027,484.46 = 405,021.96 : x
  2. Step 2: Convert to fraction form
    744,554.52/1,027,484.46 = 405,021.96/x
  3. Step 3: Cross multiply
    744,554.52x = 1,027,484.46 × 405,021.96
  4. Step 4: Simplify right side
    744,554.52x = 416,153,769,858.74
  5. Step 5: Solve for x
    x = 416,153,769,858.74/744,554.52
  6. Step 6: Final answer
    x = 558,929.88

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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.