Home / 694,145.60-1,042,182.05-357,426.88

Finding the Fourth Proportional to 694,145.60, 1,042,182.05 and 357,426.88

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Solution

The fourth proportional to 694,145.60, 1,042,182.05 and 357,426.88 is: 536,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,145.60 : 1,042,182.05 = 357,426.88 : x
  2. Step 2: Convert to fraction form
    694,145.60/1,042,182.05 = 357,426.88/x
  3. Step 3: Cross multiply
    694,145.60x = 1,042,182.05 × 357,426.88
  4. Step 4: Simplify right side
    694,145.60x = 372,503,874,130.92
  5. Step 5: Solve for x
    x = 372,503,874,130.92/694,145.60
  6. Step 6: Final answer
    x = 536,636.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.