Home / 649,113.26-972,799.56-505,192.91

Finding the Fourth Proportional to 649,113.26, 972,799.56 and 505,192.91

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Solution

The fourth proportional to 649,113.26, 972,799.56 and 505,192.91 is: 757,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,113.26 : 972,799.56 = 505,192.91 : x
  2. Step 2: Convert to fraction form
    649,113.26/972,799.56 = 505,192.91/x
  3. Step 3: Cross multiply
    649,113.26x = 972,799.56 × 505,192.91
  4. Step 4: Simplify right side
    649,113.26x = 491,451,435,699.12
  5. Step 5: Solve for x
    x = 491,451,435,699.12/649,113.26
  6. Step 6: Final answer
    x = 757,112.00

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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.