Home / 699,201.69-1,048,799.55-193,761.23

Finding the Fourth Proportional to 699,201.69, 1,048,799.55 and 193,761.23

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Solution

The fourth proportional to 699,201.69, 1,048,799.55 and 193,761.23 is: 290,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,201.69 : 1,048,799.55 = 193,761.23 : x
  2. Step 2: Convert to fraction form
    699,201.69/1,048,799.55 = 193,761.23/x
  3. Step 3: Cross multiply
    699,201.69x = 1,048,799.55 × 193,761.23
  4. Step 4: Simplify right side
    699,201.69x = 203,216,685,587.45
  5. Step 5: Solve for x
    x = 203,216,685,587.45/699,201.69
  6. Step 6: Final answer
    x = 290,641.01

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Double scale
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Similar ratio
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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.