Home / 893,668.38-1,233,259.98-485,770.20

Finding the Fourth Proportional to 893,668.38, 1,233,259.98 and 485,770.20

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Solution

The fourth proportional to 893,668.38, 1,233,259.98 and 485,770.20 is: 670,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,668.38 : 1,233,259.98 = 485,770.20 : x
  2. Step 2: Convert to fraction form
    893,668.38/1,233,259.98 = 485,770.20/x
  3. Step 3: Cross multiply
    893,668.38x = 1,233,259.98 × 485,770.20
  4. Step 4: Simplify right side
    893,668.38x = 599,080,947,136.60
  5. Step 5: Solve for x
    x = 599,080,947,136.60/893,668.38
  6. Step 6: Final answer
    x = 670,361.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.