Home / 891,996.15-1,230,955.32-484,097.88

Finding the Fourth Proportional to 891,996.15, 1,230,955.32 and 484,097.88

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Solution

The fourth proportional to 891,996.15, 1,230,955.32 and 484,097.88 is: 668,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,996.15 : 1,230,955.32 = 484,097.88 : x
  2. Step 2: Convert to fraction form
    891,996.15/1,230,955.32 = 484,097.88/x
  3. Step 3: Cross multiply
    891,996.15x = 1,230,955.32 × 484,097.88
  4. Step 4: Simplify right side
    891,996.15x = 595,902,860,786.72
  5. Step 5: Solve for x
    x = 595,902,860,786.72/891,996.15
  6. Step 6: Final answer
    x = 668,055.42

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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.