Home / 936,837.30-1,405,912.05-404,740.20

Finding the Fourth Proportional to 936,837.30, 1,405,912.05 and 404,740.20

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Solution

The fourth proportional to 936,837.30, 1,405,912.05 and 404,740.20 is: 607,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,837.30 : 1,405,912.05 = 404,740.20 : x
  2. Step 2: Convert to fraction form
    936,837.30/1,405,912.05 = 404,740.20/x
  3. Step 3: Cross multiply
    936,837.30x = 1,405,912.05 × 404,740.20
  4. Step 4: Simplify right side
    936,837.30x = 569,029,124,299.41
  5. Step 5: Solve for x
    x = 569,029,124,299.41/936,837.30
  6. Step 6: Final answer
    x = 607,393.75

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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.