Home / 979,495.86-1,469,811.03-410,826.36

Finding the Fourth Proportional to 979,495.86, 1,469,811.03 and 410,826.36

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Solution

The fourth proportional to 979,495.86, 1,469,811.03 and 410,826.36 is: 616,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,495.86 : 1,469,811.03 = 410,826.36 : x
  2. Step 2: Convert to fraction form
    979,495.86/1,469,811.03 = 410,826.36/x
  3. Step 3: Cross multiply
    979,495.86x = 1,469,811.03 × 410,826.36
  4. Step 4: Simplify right side
    979,495.86x = 603,837,115,342.75
  5. Step 5: Solve for x
    x = 603,837,115,342.75/979,495.86
  6. Step 6: Final answer
    x = 616,477.46

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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.