Home / 637,986.51-956,979.77-188,672.39

Finding the Fourth Proportional to 637,986.51, 956,979.77 and 188,672.39

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Solution

The fourth proportional to 637,986.51, 956,979.77 and 188,672.39 is: 283,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,986.51 : 956,979.77 = 188,672.39 : x
  2. Step 2: Convert to fraction form
    637,986.51/956,979.77 = 188,672.39/x
  3. Step 3: Cross multiply
    637,986.51x = 956,979.77 × 188,672.39
  4. Step 4: Simplify right side
    637,986.51x = 180,555,660,387.55
  5. Step 5: Solve for x
    x = 180,555,660,387.55/637,986.51
  6. Step 6: Final answer
    x = 283,008.59

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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.