Home / 848,383.50-1,272,575.25-257,407.50

Finding the Fourth Proportional to 848,383.50, 1,272,575.25 and 257,407.50

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Solution

The fourth proportional to 848,383.50, 1,272,575.25 and 257,407.50 is: 386,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,383.50 : 1,272,575.25 = 257,407.50 : x
  2. Step 2: Convert to fraction form
    848,383.50/1,272,575.25 = 257,407.50/x
  3. Step 3: Cross multiply
    848,383.50x = 1,272,575.25 × 257,407.50
  4. Step 4: Simplify right side
    848,383.50x = 327,570,413,664.38
  5. Step 5: Solve for x
    x = 327,570,413,664.38/848,383.50
  6. Step 6: Final answer
    x = 386,111.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.