Home / 936,872.80-1,405,965.30-404,775.70

Finding the Fourth Proportional to 936,872.80, 1,405,965.30 and 404,775.70

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Solution

The fourth proportional to 936,872.80, 1,405,965.30 and 404,775.70 is: 607,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,872.80 : 1,405,965.30 = 404,775.70 : x
  2. Step 2: Convert to fraction form
    936,872.80/1,405,965.30 = 404,775.70/x
  3. Step 3: Cross multiply
    936,872.80x = 1,405,965.30 × 404,775.70
  4. Step 4: Simplify right side
    936,872.80x = 569,100,588,483.21
  5. Step 5: Solve for x
    x = 569,100,588,483.21/936,872.80
  6. Step 6: Final answer
    x = 607,447.02

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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.