Home / 469,788.11-648,309.34-254,928.22

Finding the Fourth Proportional to 469,788.11, 648,309.34 and 254,928.22

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Solution

The fourth proportional to 469,788.11, 648,309.34 and 254,928.22 is: 351,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,788.11 : 648,309.34 = 254,928.22 : x
  2. Step 2: Convert to fraction form
    469,788.11/648,309.34 = 254,928.22/x
  3. Step 3: Cross multiply
    469,788.11x = 648,309.34 × 254,928.22
  4. Step 4: Simplify right side
    469,788.11x = 165,272,343,319.49
  5. Step 5: Solve for x
    x = 165,272,343,319.49/469,788.11
  6. Step 6: Final answer
    x = 351,801.89

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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.