Home / 747,067-1,030,955.52-407,542.36

Finding the Fourth Proportional to 747,067, 1,030,955.52 and 407,542.36

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Solution

The fourth proportional to 747,067, 1,030,955.52 and 407,542.36 is: 562,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,067 : 1,030,955.52 = 407,542.36 : x
  2. Step 2: Convert to fraction form
    747,067/1,030,955.52 = 407,542.36/x
  3. Step 3: Cross multiply
    747,067x = 1,030,955.52 × 407,542.36
  4. Step 4: Simplify right side
    747,067x = 420,158,045,675.83
  5. Step 5: Solve for x
    x = 420,158,045,675.83/747,067
  6. Step 6: Final answer
    x = 562,410.13

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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.