Home / 936,893.57-1,405,859.99-457,125.30

Finding the Fourth Proportional to 936,893.57, 1,405,859.99 and 457,125.30

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Solution

The fourth proportional to 936,893.57, 1,405,859.99 and 457,125.30 is: 685,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,893.57 : 1,405,859.99 = 457,125.30 : x
  2. Step 2: Convert to fraction form
    936,893.57/1,405,859.99 = 457,125.30/x
  3. Step 3: Cross multiply
    936,893.57x = 1,405,859.99 × 457,125.30
  4. Step 4: Simplify right side
    936,893.57x = 642,654,167,401.12
  5. Step 5: Solve for x
    x = 642,654,167,401.12/936,893.57
  6. Step 6: Final answer
    x = 685,941.49

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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.