Home / 497,112.56-685,780.80-336,023.84

Finding the Fourth Proportional to 497,112.56, 685,780.80 and 336,023.84

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Solution

The fourth proportional to 497,112.56, 685,780.80 and 336,023.84 is: 463,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,112.56 : 685,780.80 = 336,023.84 : x
  2. Step 2: Convert to fraction form
    497,112.56/685,780.80 = 336,023.84/x
  3. Step 3: Cross multiply
    497,112.56x = 685,780.80 × 336,023.84
  4. Step 4: Simplify right side
    497,112.56x = 230,438,697,814.27
  5. Step 5: Solve for x
    x = 230,438,697,814.27/497,112.56
  6. Step 6: Final answer
    x = 463,554.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.