Home / 891,985.27-1,230,940.31-484,087.01

Finding the Fourth Proportional to 891,985.27, 1,230,940.31 and 484,087.01

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Solution

The fourth proportional to 891,985.27, 1,230,940.31 and 484,087.01 is: 668,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,985.27 : 1,230,940.31 = 484,087.01 : x
  2. Step 2: Convert to fraction form
    891,985.27/1,230,940.31 = 484,087.01/x
  3. Step 3: Cross multiply
    891,985.27x = 1,230,940.31 × 484,087.01
  4. Step 4: Simplify right side
    891,985.27x = 595,882,209,211.89
  5. Step 5: Solve for x
    x = 595,882,209,211.89/891,985.27
  6. Step 6: Final answer
    x = 668,040.42

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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.