Home / 1,642,664.76-2,266,853.46-917,522.82

Finding the Fourth Proportional to 1,642,664.76, 2,266,853.46 and 917,522.82

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Solution

The fourth proportional to 1,642,664.76, 2,266,853.46 and 917,522.82 is: 1,266,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,664.76 : 2,266,853.46 = 917,522.82 : x
  2. Step 2: Convert to fraction form
    1,642,664.76/2,266,853.46 = 917,522.82/x
  3. Step 3: Cross multiply
    1,642,664.76x = 2,266,853.46 × 917,522.82
  4. Step 4: Simplify right side
    1,642,664.76x = 2,079,889,779,145.96
  5. Step 5: Solve for x
    x = 2,079,889,779,145.96/1,642,664.76
  6. Step 6: Final answer
    x = 1,266,168.14

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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.