Home / 1,642,665.60-2,266,854.57-917,523.54

Finding the Fourth Proportional to 1,642,665.60, 2,266,854.57 and 917,523.54

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Solution

The fourth proportional to 1,642,665.60, 2,266,854.57 and 917,523.54 is: 1,266,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,665.60 : 2,266,854.57 = 917,523.54 : x
  2. Step 2: Convert to fraction form
    1,642,665.60/2,266,854.57 = 917,523.54/x
  3. Step 3: Cross multiply
    1,642,665.60x = 2,266,854.57 × 917,523.54
  4. Step 4: Simplify right side
    1,642,665.60x = 2,079,892,429,731.58
  5. Step 5: Solve for x
    x = 2,079,892,429,731.58/1,642,665.60
  6. Step 6: Final answer
    x = 1,266,169.10

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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.