Home / 997,682.18-1,376,781.69-562,100.42

Finding the Fourth Proportional to 997,682.18, 1,376,781.69 and 562,100.42

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Solution

The fourth proportional to 997,682.18, 1,376,781.69 and 562,100.42 is: 775,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,682.18 : 1,376,781.69 = 562,100.42 : x
  2. Step 2: Convert to fraction form
    997,682.18/1,376,781.69 = 562,100.42/x
  3. Step 3: Cross multiply
    997,682.18x = 1,376,781.69 × 562,100.42
  4. Step 4: Simplify right side
    997,682.18x = 773,889,566,197.31
  5. Step 5: Solve for x
    x = 773,889,566,197.31/997,682.18
  6. Step 6: Final answer
    x = 775,687.47

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1.5x scale

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.