Home / 790,818.62-1,186,227.54-191,779.68

Finding the Fourth Proportional to 790,818.62, 1,186,227.54 and 191,779.68

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Solution

The fourth proportional to 790,818.62, 1,186,227.54 and 191,779.68 is: 287,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,818.62 : 1,186,227.54 = 191,779.68 : x
  2. Step 2: Convert to fraction form
    790,818.62/1,186,227.54 = 191,779.68/x
  3. Step 3: Cross multiply
    790,818.62x = 1,186,227.54 × 191,779.68
  4. Step 4: Simplify right side
    790,818.62x = 227,494,338,028.39
  5. Step 5: Solve for x
    x = 227,494,338,028.39/790,818.62
  6. Step 6: Final answer
    x = 287,669.43

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Double scale
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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.