Home / 711,416.98-1,067,127.27-290,692.85

Finding the Fourth Proportional to 711,416.98, 1,067,127.27 and 290,692.85

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Solution

The fourth proportional to 711,416.98, 1,067,127.27 and 290,692.85 is: 436,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,416.98 : 1,067,127.27 = 290,692.85 : x
  2. Step 2: Convert to fraction form
    711,416.98/1,067,127.27 = 290,692.85/x
  3. Step 3: Cross multiply
    711,416.98x = 1,067,127.27 × 290,692.85
  4. Step 4: Simplify right side
    711,416.98x = 310,206,267,429.02
  5. Step 5: Solve for x
    x = 310,206,267,429.02/711,416.98
  6. Step 6: Final answer
    x = 436,040.01

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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.