Home / 711,422.14-1,067,135.03-290,698.01

Finding the Fourth Proportional to 711,422.14, 1,067,135.03 and 290,698.01

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Solution

The fourth proportional to 711,422.14, 1,067,135.03 and 290,698.01 is: 436,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,422.14 : 1,067,135.03 = 290,698.01 : x
  2. Step 2: Convert to fraction form
    711,422.14/1,067,135.03 = 290,698.01/x
  3. Step 3: Cross multiply
    711,422.14x = 1,067,135.03 × 290,698.01
  4. Step 4: Simplify right side
    711,422.14x = 310,214,034,745.22
  5. Step 5: Solve for x
    x = 310,214,034,745.22/711,422.14
  6. Step 6: Final answer
    x = 436,047.77

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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.