Home / 689,081.58-1,033,540.36-183,680.46

Finding the Fourth Proportional to 689,081.58, 1,033,540.36 and 183,680.46

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Solution

The fourth proportional to 689,081.58, 1,033,540.36 and 183,680.46 is: 275,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,081.58 : 1,033,540.36 = 183,680.46 : x
  2. Step 2: Convert to fraction form
    689,081.58/1,033,540.36 = 183,680.46/x
  3. Step 3: Cross multiply
    689,081.58x = 1,033,540.36 × 183,680.46
  4. Step 4: Simplify right side
    689,081.58x = 189,841,168,294.16
  5. Step 5: Solve for x
    x = 189,841,168,294.16/689,081.58
  6. Step 6: Final answer
    x = 275,498.83

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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.