Home / 682,372.80-1,021,590.90-603,640.80

Finding the Fourth Proportional to 682,372.80, 1,021,590.90 and 603,640.80

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Solution

The fourth proportional to 682,372.80, 1,021,590.90 and 603,640.80 is: 903,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,372.80 : 1,021,590.90 = 603,640.80 : x
  2. Step 2: Convert to fraction form
    682,372.80/1,021,590.90 = 603,640.80/x
  3. Step 3: Cross multiply
    682,372.80x = 1,021,590.90 × 603,640.80
  4. Step 4: Simplify right side
    682,372.80x = 616,673,948,148.72
  5. Step 5: Solve for x
    x = 616,673,948,148.72/682,372.80
  6. Step 6: Final answer
    x = 903,720.00

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1.5x scale

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.