Home / 1,238,542.80-1,709,052.40-694,566.64

Finding the Fourth Proportional to 1,238,542.80, 1,709,052.40 and 694,566.64

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Solution

The fourth proportional to 1,238,542.80, 1,709,052.40 and 694,566.64 is: 958,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,542.80 : 1,709,052.40 = 694,566.64 : x
  2. Step 2: Convert to fraction form
    1,238,542.80/1,709,052.40 = 694,566.64/x
  3. Step 3: Cross multiply
    1,238,542.80x = 1,709,052.40 × 694,566.64
  4. Step 4: Simplify right side
    1,238,542.80x = 1,187,050,781,315.52
  5. Step 5: Solve for x
    x = 1,187,050,781,315.52/1,238,542.80
  6. Step 6: Final answer
    x = 958,425.33

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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.