Home / 790,684.11-1,186,026.18-191,645.29

Finding the Fourth Proportional to 790,684.11, 1,186,026.18 and 191,645.29

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Solution

The fourth proportional to 790,684.11, 1,186,026.18 and 191,645.29 is: 287,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,684.11 : 1,186,026.18 = 191,645.29 : x
  2. Step 2: Convert to fraction form
    790,684.11/1,186,026.18 = 191,645.29/x
  3. Step 3: Cross multiply
    790,684.11x = 1,186,026.18 × 191,645.29
  4. Step 4: Simplify right side
    790,684.11x = 227,296,324,325.34
  5. Step 5: Solve for x
    x = 227,296,324,325.34/790,684.11
  6. Step 6: Final answer
    x = 287,467.93

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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.