Home / 936,892.80-1,405,995.30-404,795.70

Finding the Fourth Proportional to 936,892.80, 1,405,995.30 and 404,795.70

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Solution

The fourth proportional to 936,892.80, 1,405,995.30 and 404,795.70 is: 607,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,892.80 : 1,405,995.30 = 404,795.70 : x
  2. Step 2: Convert to fraction form
    936,892.80/1,405,995.30 = 404,795.70/x
  3. Step 3: Cross multiply
    936,892.80x = 1,405,995.30 × 404,795.70
  4. Step 4: Simplify right side
    936,892.80x = 569,140,851,660.21
  5. Step 5: Solve for x
    x = 569,140,851,660.21/936,892.80
  6. Step 6: Final answer
    x = 607,477.03

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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.