Home / 908,616.78-1,362,819.65-234,645.09

Finding the Fourth Proportional to 908,616.78, 1,362,819.65 and 234,645.09

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Solution

The fourth proportional to 908,616.78, 1,362,819.65 and 234,645.09 is: 351,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,616.78 : 1,362,819.65 = 234,645.09 : x
  2. Step 2: Convert to fraction form
    908,616.78/1,362,819.65 = 234,645.09/x
  3. Step 3: Cross multiply
    908,616.78x = 1,362,819.65 × 234,645.09
  4. Step 4: Simplify right side
    908,616.78x = 319,778,938,254.79
  5. Step 5: Solve for x
    x = 319,778,938,254.79/908,616.78
  6. Step 6: Final answer
    x = 351,940.38

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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.