Home / 1,642,653.60-2,266,838.01-917,511.54

Finding the Fourth Proportional to 1,642,653.60, 2,266,838.01 and 917,511.54

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Solution

The fourth proportional to 1,642,653.60, 2,266,838.01 and 917,511.54 is: 1,266,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,653.60 : 2,266,838.01 = 917,511.54 : x
  2. Step 2: Convert to fraction form
    1,642,653.60/2,266,838.01 = 917,511.54/x
  3. Step 3: Cross multiply
    1,642,653.60x = 2,266,838.01 × 917,511.54
  4. Step 4: Simplify right side
    1,642,653.60x = 2,079,850,033,485.64
  5. Step 5: Solve for x
    x = 2,079,850,033,485.64/1,642,653.60
  6. Step 6: Final answer
    x = 1,266,152.54

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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.