Home / 1,226,053.72-1,839,228.06-405,420.04

Finding the Fourth Proportional to 1,226,053.72, 1,839,228.06 and 405,420.04

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Solution

The fourth proportional to 1,226,053.72, 1,839,228.06 and 405,420.04 is: 608,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,053.72 : 1,839,228.06 = 405,420.04 : x
  2. Step 2: Convert to fraction form
    1,226,053.72/1,839,228.06 = 405,420.04/x
  3. Step 3: Cross multiply
    1,226,053.72x = 1,839,228.06 × 405,420.04
  4. Step 4: Simplify right side
    1,226,053.72x = 745,659,913,654.32
  5. Step 5: Solve for x
    x = 745,659,913,654.32/1,226,053.72
  6. Step 6: Final answer
    x = 608,178.83

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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.