Home / 866,699.99-1,299,795.74-326,566.57

Finding the Fourth Proportional to 866,699.99, 1,299,795.74 and 326,566.57

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Solution

The fourth proportional to 866,699.99, 1,299,795.74 and 326,566.57 is: 489,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,699.99 : 1,299,795.74 = 326,566.57 : x
  2. Step 2: Convert to fraction form
    866,699.99/1,299,795.74 = 326,566.57/x
  3. Step 3: Cross multiply
    866,699.99x = 1,299,795.74 × 326,566.57
  4. Step 4: Simplify right side
    866,699.99x = 424,469,836,512.41
  5. Step 5: Solve for x
    x = 424,469,836,512.41/866,699.99
  6. Step 6: Final answer
    x = 489,754.06

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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.