Home / 694,469.42-1,046,909.32-648,175.93

Finding the Fourth Proportional to 694,469.42, 1,046,909.32 and 648,175.93

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Solution

The fourth proportional to 694,469.42, 1,046,909.32 and 648,175.93 is: 977,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,469.42 : 1,046,909.32 = 648,175.93 : x
  2. Step 2: Convert to fraction form
    694,469.42/1,046,909.32 = 648,175.93/x
  3. Step 3: Cross multiply
    694,469.42x = 1,046,909.32 × 648,175.93
  4. Step 4: Simplify right side
    694,469.42x = 678,581,419,701.95
  5. Step 5: Solve for x
    x = 678,581,419,701.95/694,469.42
  6. Step 6: Final answer
    x = 977,122.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.