Home / 1,074,425.88-1,482,634.62-621,784.92

Finding the Fourth Proportional to 1,074,425.88, 1,482,634.62 and 621,784.92

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Solution

The fourth proportional to 1,074,425.88, 1,482,634.62 and 621,784.92 is: 858,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,425.88 : 1,482,634.62 = 621,784.92 : x
  2. Step 2: Convert to fraction form
    1,074,425.88/1,482,634.62 = 621,784.92/x
  3. Step 3: Cross multiply
    1,074,425.88x = 1,482,634.62 × 621,784.92
  4. Step 4: Simplify right side
    1,074,425.88x = 921,879,848,585.93
  5. Step 5: Solve for x
    x = 921,879,848,585.93/1,074,425.88
  6. Step 6: Final answer
    x = 858,020.89

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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.