Home / 869,847.54-1,200,351.48-525,766.80

Finding the Fourth Proportional to 869,847.54, 1,200,351.48 and 525,766.80

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Solution

The fourth proportional to 869,847.54, 1,200,351.48 and 525,766.80 is: 725,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,847.54 : 1,200,351.48 = 525,766.80 : x
  2. Step 2: Convert to fraction form
    869,847.54/1,200,351.48 = 525,766.80/x
  3. Step 3: Cross multiply
    869,847.54x = 1,200,351.48 × 525,766.80
  4. Step 4: Simplify right side
    869,847.54x = 631,104,956,514.86
  5. Step 5: Solve for x
    x = 631,104,956,514.86/869,847.54
  6. Step 6: Final answer
    x = 725,535.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.