Home / 721,006.01-1,081,512.66-188,528.21

Finding the Fourth Proportional to 721,006.01, 1,081,512.66 and 188,528.21

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Solution

The fourth proportional to 721,006.01, 1,081,512.66 and 188,528.21 is: 282,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,006.01 : 1,081,512.66 = 188,528.21 : x
  2. Step 2: Convert to fraction form
    721,006.01/1,081,512.66 = 188,528.21/x
  3. Step 3: Cross multiply
    721,006.01x = 1,081,512.66 × 188,528.21
  4. Step 4: Simplify right side
    721,006.01x = 203,895,644,939.50
  5. Step 5: Solve for x
    x = 203,895,644,939.50/721,006.01
  6. Step 6: Final answer
    x = 282,793.27

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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.