Home / 1,304,134.56-1,956,483.36-405,558.72

Finding the Fourth Proportional to 1,304,134.56, 1,956,483.36 and 405,558.72

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Solution

The fourth proportional to 1,304,134.56, 1,956,483.36 and 405,558.72 is: 608,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,134.56 : 1,956,483.36 = 405,558.72 : x
  2. Step 2: Convert to fraction form
    1,304,134.56/1,956,483.36 = 405,558.72/x
  3. Step 3: Cross multiply
    1,304,134.56x = 1,956,483.36 × 405,558.72
  4. Step 4: Simplify right side
    1,304,134.56x = 793,468,887,182.90
  5. Step 5: Solve for x
    x = 793,468,887,182.90/1,304,134.56
  6. Step 6: Final answer
    x = 608,425.63

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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.