Home / 605,080.24-907,612.03-205,999.32

Finding the Fourth Proportional to 605,080.24, 907,612.03 and 205,999.32

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Solution

The fourth proportional to 605,080.24, 907,612.03 and 205,999.32 is: 308,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,080.24 : 907,612.03 = 205,999.32 : x
  2. Step 2: Convert to fraction form
    605,080.24/907,612.03 = 205,999.32/x
  3. Step 3: Cross multiply
    605,080.24x = 907,612.03 × 205,999.32
  4. Step 4: Simplify right side
    605,080.24x = 186,967,461,003.82
  5. Step 5: Solve for x
    x = 186,967,461,003.82/605,080.24
  6. Step 6: Final answer
    x = 308,996.14

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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.