Home / 746,997.55-1,030,859.82-407,473.09

Finding the Fourth Proportional to 746,997.55, 1,030,859.82 and 407,473.09

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Solution

The fourth proportional to 746,997.55, 1,030,859.82 and 407,473.09 is: 562,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,997.55 : 1,030,859.82 = 407,473.09 : x
  2. Step 2: Convert to fraction form
    746,997.55/1,030,859.82 = 407,473.09/x
  3. Step 3: Cross multiply
    746,997.55x = 1,030,859.82 × 407,473.09
  4. Step 4: Simplify right side
    746,997.55x = 420,047,636,212.24
  5. Step 5: Solve for x
    x = 420,047,636,212.24/746,997.55
  6. Step 6: Final answer
    x = 562,314.61

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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.