Home / 1,606,272.43-2,216,615.40-917,900.53

Finding the Fourth Proportional to 1,606,272.43, 2,216,615.40 and 917,900.53

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Solution

The fourth proportional to 1,606,272.43, 2,216,615.40 and 917,900.53 is: 1,266,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,272.43 : 2,216,615.40 = 917,900.53 : x
  2. Step 2: Convert to fraction form
    1,606,272.43/2,216,615.40 = 917,900.53/x
  3. Step 3: Cross multiply
    1,606,272.43x = 2,216,615.40 × 917,900.53
  4. Step 4: Simplify right side
    1,606,272.43x = 2,034,632,450,466.16
  5. Step 5: Solve for x
    x = 2,034,632,450,466.16/1,606,272.43
  6. Step 6: Final answer
    x = 1,266,679.56

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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.