Home / 1,149,774-1,586,336.89-666,245.72

Finding the Fourth Proportional to 1,149,774, 1,586,336.89 and 666,245.72

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Solution

The fourth proportional to 1,149,774, 1,586,336.89 and 666,245.72 is: 919,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,774 : 1,586,336.89 = 666,245.72 : x
  2. Step 2: Convert to fraction form
    1,149,774/1,586,336.89 = 666,245.72/x
  3. Step 3: Cross multiply
    1,149,774x = 1,586,336.89 × 666,245.72
  4. Step 4: Simplify right side
    1,149,774x = 1,056,890,163,440.61
  5. Step 5: Solve for x
    x = 1,056,890,163,440.61/1,149,774
  6. Step 6: Final answer
    x = 919,215.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.