Home / 626,954.56-865,207.32-355,015.12

Finding the Fourth Proportional to 626,954.56, 865,207.32 and 355,015.12

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Solution

The fourth proportional to 626,954.56, 865,207.32 and 355,015.12 is: 489,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,954.56 : 865,207.32 = 355,015.12 : x
  2. Step 2: Convert to fraction form
    626,954.56/865,207.32 = 355,015.12/x
  3. Step 3: Cross multiply
    626,954.56x = 865,207.32 × 355,015.12
  4. Step 4: Simplify right side
    626,954.56x = 307,161,680,534.68
  5. Step 5: Solve for x
    x = 307,161,680,534.68/626,954.56
  6. Step 6: Final answer
    x = 489,926.54

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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.