Home / 790,376.88-1,185,568.20-191,336.94

Finding the Fourth Proportional to 790,376.88, 1,185,568.20 and 191,336.94

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Solution

The fourth proportional to 790,376.88, 1,185,568.20 and 191,336.94 is: 287,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,376.88 : 1,185,568.20 = 191,336.94 : x
  2. Step 2: Convert to fraction form
    790,376.88/1,185,568.20 = 191,336.94/x
  3. Step 3: Cross multiply
    790,376.88x = 1,185,568.20 × 191,336.94
  4. Step 4: Simplify right side
    790,376.88x = 226,842,991,549.31
  5. Step 5: Solve for x
    x = 226,842,991,549.31/790,376.88
  6. Step 6: Final answer
    x = 287,006.11

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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.