Home / 1,285,116.56-1,773,470.76-712,166

Finding the Fourth Proportional to 1,285,116.56, 1,773,470.76 and 712,166

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Solution

The fourth proportional to 1,285,116.56, 1,773,470.76 and 712,166 is: 982,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,116.56 : 1,773,470.76 = 712,166 : x
  2. Step 2: Convert to fraction form
    1,285,116.56/1,773,470.76 = 712,166/x
  3. Step 3: Cross multiply
    1,285,116.56x = 1,773,470.76 × 712,166
  4. Step 4: Simplify right side
    1,285,116.56x = 1,263,005,577,266.16
  5. Step 5: Solve for x
    x = 1,263,005,577,266.16/1,285,116.56
  6. Step 6: Final answer
    x = 982,794.57

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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.