Home / 339,918.24-509,927.58-126,632.28

Finding the Fourth Proportional to 339,918.24, 509,927.58 and 126,632.28

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Solution

The fourth proportional to 339,918.24, 509,927.58 and 126,632.28 is: 189,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,918.24 : 509,927.58 = 126,632.28 : x
  2. Step 2: Convert to fraction form
    339,918.24/509,927.58 = 126,632.28/x
  3. Step 3: Cross multiply
    339,918.24x = 509,927.58 × 126,632.28
  4. Step 4: Simplify right side
    339,918.24x = 64,573,292,090.28
  5. Step 5: Solve for x
    x = 64,573,292,090.28/339,918.24
  6. Step 6: Final answer
    x = 189,967.13

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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.