Home / 1,304,142.56-1,956,495.36-405,566.72

Finding the Fourth Proportional to 1,304,142.56, 1,956,495.36 and 405,566.72

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Solution

The fourth proportional to 1,304,142.56, 1,956,495.36 and 405,566.72 is: 608,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,142.56 : 1,956,495.36 = 405,566.72 : x
  2. Step 2: Convert to fraction form
    1,304,142.56/1,956,495.36 = 405,566.72/x
  3. Step 3: Cross multiply
    1,304,142.56x = 1,956,495.36 × 405,566.72
  4. Step 4: Simplify right side
    1,304,142.56x = 793,489,405,850.42
  5. Step 5: Solve for x
    x = 793,489,405,850.42/1,304,142.56
  6. Step 6: Final answer
    x = 608,437.63

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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.