Home / 1,679,764.56-2,518,154.78-654,858.60

Finding the Fourth Proportional to 1,679,764.56, 2,518,154.78 and 654,858.60

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Solution

The fourth proportional to 1,679,764.56, 2,518,154.78 and 654,858.60 is: 981,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,764.56 : 2,518,154.78 = 654,858.60 : x
  2. Step 2: Convert to fraction form
    1,679,764.56/2,518,154.78 = 654,858.60/x
  3. Step 3: Cross multiply
    1,679,764.56x = 2,518,154.78 × 654,858.60
  4. Step 4: Simplify right side
    1,679,764.56x = 1,649,035,313,814.11
  5. Step 5: Solve for x
    x = 1,649,035,313,814.11/1,679,764.56
  6. Step 6: Final answer
    x = 981,706.22

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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.