Home / 387,669.58-534,905.57-226,493.48

Finding the Fourth Proportional to 387,669.58, 534,905.57 and 226,493.48

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Solution

The fourth proportional to 387,669.58, 534,905.57 and 226,493.48 is: 312,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,669.58 : 534,905.57 = 226,493.48 : x
  2. Step 2: Convert to fraction form
    387,669.58/534,905.57 = 226,493.48/x
  3. Step 3: Cross multiply
    387,669.58x = 534,905.57 × 226,493.48
  4. Step 4: Simplify right side
    387,669.58x = 121,152,625,924.18
  5. Step 5: Solve for x
    x = 121,152,625,924.18/387,669.58
  6. Step 6: Final answer
    x = 312,515.18

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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.