Home / 956,394.41-1,317,579.37-665,505.72

Finding the Fourth Proportional to 956,394.41, 1,317,579.37 and 665,505.72

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Solution

The fourth proportional to 956,394.41, 1,317,579.37 and 665,505.72 is: 916,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,394.41 : 1,317,579.37 = 665,505.72 : x
  2. Step 2: Convert to fraction form
    956,394.41/1,317,579.37 = 665,505.72/x
  3. Step 3: Cross multiply
    956,394.41x = 1,317,579.37 × 665,505.72
  4. Step 4: Simplify right side
    956,394.41x = 876,856,607,289.00
  5. Step 5: Solve for x
    x = 876,856,607,289.00/956,394.41
  6. Step 6: Final answer
    x = 916,835.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.