Home / 589,101.07-812,970.31-327,481.00

Finding the Fourth Proportional to 589,101.07, 812,970.31 and 327,481.00

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Solution

The fourth proportional to 589,101.07, 812,970.31 and 327,481.00 is: 451,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,101.07 : 812,970.31 = 327,481.00 : x
  2. Step 2: Convert to fraction form
    589,101.07/812,970.31 = 327,481.00/x
  3. Step 3: Cross multiply
    589,101.07x = 812,970.31 × 327,481.00
  4. Step 4: Simplify right side
    589,101.07x = 266,232,326,024.26
  5. Step 5: Solve for x
    x = 266,232,326,024.26/589,101.07
  6. Step 6: Final answer
    x = 451,929.80

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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.