Home / 494,208.14-681,822.16-290,265.53

Finding the Fourth Proportional to 494,208.14, 681,822.16 and 290,265.53

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Solution

The fourth proportional to 494,208.14, 681,822.16 and 290,265.53 is: 400,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,208.14 : 681,822.16 = 290,265.53 : x
  2. Step 2: Convert to fraction form
    494,208.14/681,822.16 = 290,265.53/x
  3. Step 3: Cross multiply
    494,208.14x = 681,822.16 × 290,265.53
  4. Step 4: Simplify right side
    494,208.14x = 197,909,466,503.37
  5. Step 5: Solve for x
    x = 197,909,466,503.37/494,208.14
  6. Step 6: Final answer
    x = 400,457.73

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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.