Home / 1,420,662.79-2,131,012.65-474,033.51

Finding the Fourth Proportional to 1,420,662.79, 2,131,012.65 and 474,033.51

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Solution

The fourth proportional to 1,420,662.79, 2,131,012.65 and 474,033.51 is: 711,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,662.79 : 2,131,012.65 = 474,033.51 : x
  2. Step 2: Convert to fraction form
    1,420,662.79/2,131,012.65 = 474,033.51/x
  3. Step 3: Cross multiply
    1,420,662.79x = 2,131,012.65 × 474,033.51
  4. Step 4: Simplify right side
    1,420,662.79x = 1,010,171,406,333.90
  5. Step 5: Solve for x
    x = 1,010,171,406,333.90/1,420,662.79
  6. Step 6: Final answer
    x = 711,056.43

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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.