Home / 711,454.82-1,067,184.03-290,730.74

Finding the Fourth Proportional to 711,454.82, 1,067,184.03 and 290,730.74

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Solution

The fourth proportional to 711,454.82, 1,067,184.03 and 290,730.74 is: 436,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,454.82 : 1,067,184.03 = 290,730.74 : x
  2. Step 2: Convert to fraction form
    711,454.82/1,067,184.03 = 290,730.74/x
  3. Step 3: Cross multiply
    711,454.82x = 1,067,184.03 × 290,730.74
  4. Step 4: Simplify right side
    711,454.82x = 310,263,202,758.08
  5. Step 5: Solve for x
    x = 310,263,202,758.08/711,454.82
  6. Step 6: Final answer
    x = 436,096.85

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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.