Home / 788,289.69-1,182,434.55-189,250.86

Finding the Fourth Proportional to 788,289.69, 1,182,434.55 and 189,250.86

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Solution

The fourth proportional to 788,289.69, 1,182,434.55 and 189,250.86 is: 283,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,289.69 : 1,182,434.55 = 189,250.86 : x
  2. Step 2: Convert to fraction form
    788,289.69/1,182,434.55 = 189,250.86/x
  3. Step 3: Cross multiply
    788,289.69x = 1,182,434.55 × 189,250.86
  4. Step 4: Simplify right side
    788,289.69x = 223,776,755,481.21
  5. Step 5: Solve for x
    x = 223,776,755,481.21/788,289.69
  6. Step 6: Final answer
    x = 283,876.29

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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.