Home / 790,858.46-1,186,283.36-191,818.46

Finding the Fourth Proportional to 790,858.46, 1,186,283.36 and 191,818.46

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Solution

The fourth proportional to 790,858.46, 1,186,283.36 and 191,818.46 is: 287,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,858.46 : 1,186,283.36 = 191,818.46 : x
  2. Step 2: Convert to fraction form
    790,858.46/1,186,283.36 = 191,818.46/x
  3. Step 3: Cross multiply
    790,858.46x = 1,186,283.36 × 191,818.46
  4. Step 4: Simplify right side
    790,858.46x = 227,551,041,786.96
  5. Step 5: Solve for x
    x = 227,551,041,786.96/790,858.46
  6. Step 6: Final answer
    x = 287,726.63

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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.