Home / 1,622,426.60-2,239,248.24-1,042,374.85

Finding the Fourth Proportional to 1,622,426.60, 2,239,248.24 and 1,042,374.85

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Solution

The fourth proportional to 1,622,426.60, 2,239,248.24 and 1,042,374.85 is: 1,438,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,426.60 : 2,239,248.24 = 1,042,374.85 : x
  2. Step 2: Convert to fraction form
    1,622,426.60/2,239,248.24 = 1,042,374.85/x
  3. Step 3: Cross multiply
    1,622,426.60x = 2,239,248.24 × 1,042,374.85
  4. Step 4: Simplify right side
    1,622,426.60x = 2,334,136,042,684.64
  5. Step 5: Solve for x
    x = 2,334,136,042,684.64/1,622,426.60
  6. Step 6: Final answer
    x = 1,438,669.73

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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.