Home / 347,824.60-521,736.90-98,506.60

Finding the Fourth Proportional to 347,824.60, 521,736.90 and 98,506.60

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Solution

The fourth proportional to 347,824.60, 521,736.90 and 98,506.60 is: 147,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,824.60 : 521,736.90 = 98,506.60 : x
  2. Step 2: Convert to fraction form
    347,824.60/521,736.90 = 98,506.60/x
  3. Step 3: Cross multiply
    347,824.60x = 521,736.90 × 98,506.60
  4. Step 4: Simplify right side
    347,824.60x = 51,394,528,113.54
  5. Step 5: Solve for x
    x = 51,394,528,113.54/347,824.60
  6. Step 6: Final answer
    x = 147,759.90

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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.