Home / 718,645.60-1,077,971.60-186,128.80

Finding the Fourth Proportional to 718,645.60, 1,077,971.60 and 186,128.80

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Solution

The fourth proportional to 718,645.60, 1,077,971.60 and 186,128.80 is: 279,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,645.60 : 1,077,971.60 = 186,128.80 : x
  2. Step 2: Convert to fraction form
    718,645.60/1,077,971.60 = 186,128.80/x
  3. Step 3: Cross multiply
    718,645.60x = 1,077,971.60 × 186,128.80
  4. Step 4: Simplify right side
    718,645.60x = 200,641,560,342.08
  5. Step 5: Solve for x
    x = 200,641,560,342.08/718,645.60
  6. Step 6: Final answer
    x = 279,194.03

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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.