Home / 469,914.48-648,327.60-265,945.12

Finding the Fourth Proportional to 469,914.48, 648,327.60 and 265,945.12

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Solution

The fourth proportional to 469,914.48, 648,327.60 and 265,945.12 is: 366,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,914.48 : 648,327.60 = 265,945.12 : x
  2. Step 2: Convert to fraction form
    469,914.48/648,327.60 = 265,945.12/x
  3. Step 3: Cross multiply
    469,914.48x = 648,327.60 × 265,945.12
  4. Step 4: Simplify right side
    469,914.48x = 172,419,561,381.31
  5. Step 5: Solve for x
    x = 172,419,561,381.31/469,914.48
  6. Step 6: Final answer
    x = 366,916.89

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1.5x scale

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.