Home / 469,857.13-648,407.69-254,999.05

Finding the Fourth Proportional to 469,857.13, 648,407.69 and 254,999.05

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Solution

The fourth proportional to 469,857.13, 648,407.69 and 254,999.05 is: 351,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,857.13 : 648,407.69 = 254,999.05 : x
  2. Step 2: Convert to fraction form
    469,857.13/648,407.69 = 254,999.05/x
  3. Step 3: Cross multiply
    469,857.13x = 648,407.69 × 254,999.05
  4. Step 4: Simplify right side
    469,857.13x = 165,343,343,687.70
  5. Step 5: Solve for x
    x = 165,343,343,687.70/469,857.13
  6. Step 6: Final answer
    x = 351,901.32

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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.