Home / 653,507.58-980,645.04-274,399.16

Finding the Fourth Proportional to 653,507.58, 980,645.04 and 274,399.16

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Solution

The fourth proportional to 653,507.58, 980,645.04 and 274,399.16 is: 411,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,507.58 : 980,645.04 = 274,399.16 : x
  2. Step 2: Convert to fraction form
    653,507.58/980,645.04 = 274,399.16/x
  3. Step 3: Cross multiply
    653,507.58x = 980,645.04 × 274,399.16
  4. Step 4: Simplify right side
    653,507.58x = 269,088,175,234.17
  5. Step 5: Solve for x
    x = 269,088,175,234.17/653,507.58
  6. Step 6: Final answer
    x = 411,759.84

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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.