Home / 779,612.63-1,169,418.96-188,636.63

Finding the Fourth Proportional to 779,612.63, 1,169,418.96 and 188,636.63

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Solution

The fourth proportional to 779,612.63, 1,169,418.96 and 188,636.63 is: 282,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,612.63 : 1,169,418.96 = 188,636.63 : x
  2. Step 2: Convert to fraction form
    779,612.63/1,169,418.96 = 188,636.63/x
  3. Step 3: Cross multiply
    779,612.63x = 1,169,418.96 × 188,636.63
  4. Step 4: Simplify right side
    779,612.63x = 220,595,245,825.41
  5. Step 5: Solve for x
    x = 220,595,245,825.41/779,612.63
  6. Step 6: Final answer
    x = 282,954.94

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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.