Home / 1,227,946.56-1,694,116.80-744,162.72

Finding the Fourth Proportional to 1,227,946.56, 1,694,116.80 and 744,162.72

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Solution

The fourth proportional to 1,227,946.56, 1,694,116.80 and 744,162.72 is: 1,026,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,946.56 : 1,694,116.80 = 744,162.72 : x
  2. Step 2: Convert to fraction form
    1,227,946.56/1,694,116.80 = 744,162.72/x
  3. Step 3: Cross multiply
    1,227,946.56x = 1,694,116.80 × 744,162.72
  4. Step 4: Simplify right side
    1,227,946.56x = 1,260,698,565,885.70
  5. Step 5: Solve for x
    x = 1,260,698,565,885.70/1,227,946.56
  6. Step 6: Final answer
    x = 1,026,672.18

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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.