Home / 769,696.80-1,154,056.14-675,116.88

Finding the Fourth Proportional to 769,696.80, 1,154,056.14 and 675,116.88

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Solution

The fourth proportional to 769,696.80, 1,154,056.14 and 675,116.88 is: 1,012,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,696.80 : 1,154,056.14 = 675,116.88 : x
  2. Step 2: Convert to fraction form
    769,696.80/1,154,056.14 = 675,116.88/x
  3. Step 3: Cross multiply
    769,696.80x = 1,154,056.14 × 675,116.88
  4. Step 4: Simplify right side
    769,696.80x = 779,122,780,581.64
  5. Step 5: Solve for x
    x = 779,122,780,581.64/769,696.80
  6. Step 6: Final answer
    x = 1,012,246.36

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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.