Home / 454,133.40-681,200.10-347,845.20

Finding the Fourth Proportional to 454,133.40, 681,200.10 and 347,845.20

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Solution

The fourth proportional to 454,133.40, 681,200.10 and 347,845.20 is: 521,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,133.40 : 681,200.10 = 347,845.20 : x
  2. Step 2: Convert to fraction form
    454,133.40/681,200.10 = 347,845.20/x
  3. Step 3: Cross multiply
    454,133.40x = 681,200.10 × 347,845.20
  4. Step 4: Simplify right side
    454,133.40x = 236,952,185,024.52
  5. Step 5: Solve for x
    x = 236,952,185,024.52/454,133.40
  6. Step 6: Final answer
    x = 521,767.80

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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.