Home / 469,769.28-648,276.48-254,914.08

Finding the Fourth Proportional to 469,769.28, 648,276.48 and 254,914.08

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Solution

The fourth proportional to 469,769.28, 648,276.48 and 254,914.08 is: 351,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,769.28 : 648,276.48 = 254,914.08 : x
  2. Step 2: Convert to fraction form
    469,769.28/648,276.48 = 254,914.08/x
  3. Step 3: Cross multiply
    469,769.28x = 648,276.48 × 254,914.08
  4. Step 4: Simplify right side
    469,769.28x = 165,254,802,484.84
  5. Step 5: Solve for x
    x = 165,254,802,484.84/469,769.28
  6. Step 6: Final answer
    x = 351,778.65

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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.