Home / 909,778.20-1,365,542.10-461,005.80

Finding the Fourth Proportional to 909,778.20, 1,365,542.10 and 461,005.80

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Solution

The fourth proportional to 909,778.20, 1,365,542.10 and 461,005.80 is: 691,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,778.20 : 1,365,542.10 = 461,005.80 : x
  2. Step 2: Convert to fraction form
    909,778.20/1,365,542.10 = 461,005.80/x
  3. Step 3: Cross multiply
    909,778.20x = 1,365,542.10 × 461,005.80
  4. Step 4: Simplify right side
    909,778.20x = 629,522,828,244.18
  5. Step 5: Solve for x
    x = 629,522,828,244.18/909,778.20
  6. Step 6: Final answer
    x = 691,951.98

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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.