Home / 1,692,305.53-2,335,367.90-917,934.42

Finding the Fourth Proportional to 1,692,305.53, 2,335,367.90 and 917,934.42

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Solution

The fourth proportional to 1,692,305.53, 2,335,367.90 and 917,934.42 is: 1,266,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,305.53 : 2,335,367.90 = 917,934.42 : x
  2. Step 2: Convert to fraction form
    1,692,305.53/2,335,367.90 = 917,934.42/x
  3. Step 3: Cross multiply
    1,692,305.53x = 2,335,367.90 × 917,934.42
  4. Step 4: Simplify right side
    1,692,305.53x = 2,143,714,589,825.58
  5. Step 5: Solve for x
    x = 2,143,714,589,825.58/1,692,305.53
  6. Step 6: Final answer
    x = 1,266,742.06

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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.