Home / 936,874.80-1,405,968.30-404,777.70

Finding the Fourth Proportional to 936,874.80, 1,405,968.30 and 404,777.70

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Solution

The fourth proportional to 936,874.80, 1,405,968.30 and 404,777.70 is: 607,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,874.80 : 1,405,968.30 = 404,777.70 : x
  2. Step 2: Convert to fraction form
    936,874.80/1,405,968.30 = 404,777.70/x
  3. Step 3: Cross multiply
    936,874.80x = 1,405,968.30 × 404,777.70
  4. Step 4: Simplify right side
    936,874.80x = 569,104,614,746.91
  5. Step 5: Solve for x
    x = 569,104,614,746.91/936,874.80
  6. Step 6: Final answer
    x = 607,450.02

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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.