Home / 690,732.90-1,034,186.41-353,046.44

Finding the Fourth Proportional to 690,732.90, 1,034,186.41 and 353,046.44

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Solution

The fourth proportional to 690,732.90, 1,034,186.41 and 353,046.44 is: 528,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,732.90 : 1,034,186.41 = 353,046.44 : x
  2. Step 2: Convert to fraction form
    690,732.90/1,034,186.41 = 353,046.44/x
  3. Step 3: Cross multiply
    690,732.90x = 1,034,186.41 × 353,046.44
  4. Step 4: Simplify right side
    690,732.90x = 365,115,830,346.88
  5. Step 5: Solve for x
    x = 365,115,830,346.88/690,732.90
  6. Step 6: Final answer
    x = 528,591.92

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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.