Home / 1,398,016-2,096,491.12-499,289.92

Finding the Fourth Proportional to 1,398,016, 2,096,491.12 and 499,289.92

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Solution

The fourth proportional to 1,398,016, 2,096,491.12 and 499,289.92 is: 748,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,016 : 2,096,491.12 = 499,289.92 : x
  2. Step 2: Convert to fraction form
    1,398,016/2,096,491.12 = 499,289.92/x
  3. Step 3: Cross multiply
    1,398,016x = 2,096,491.12 × 499,289.92
  4. Step 4: Simplify right side
    1,398,016x = 1,046,756,883,585.51
  5. Step 5: Solve for x
    x = 1,046,756,883,585.51/1,398,016
  6. Step 6: Final answer
    x = 748,744.57

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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.