Home / 809,828.46-1,117,570.92-460,951.83

Finding the Fourth Proportional to 809,828.46, 1,117,570.92 and 460,951.83

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Solution

The fourth proportional to 809,828.46, 1,117,570.92 and 460,951.83 is: 636,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,828.46 : 1,117,570.92 = 460,951.83 : x
  2. Step 2: Convert to fraction form
    809,828.46/1,117,570.92 = 460,951.83/x
  3. Step 3: Cross multiply
    809,828.46x = 1,117,570.92 × 460,951.83
  4. Step 4: Simplify right side
    809,828.46x = 515,146,356,878.32
  5. Step 5: Solve for x
    x = 515,146,356,878.32/809,828.46
  6. Step 6: Final answer
    x = 636,117.87

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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.