Home / 581,616.45-872,563.86-281,746.49

Finding the Fourth Proportional to 581,616.45, 872,563.86 and 281,746.49

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Solution

The fourth proportional to 581,616.45, 872,563.86 and 281,746.49 is: 422,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,616.45 : 872,563.86 = 281,746.49 : x
  2. Step 2: Convert to fraction form
    581,616.45/872,563.86 = 281,746.49/x
  3. Step 3: Cross multiply
    581,616.45x = 872,563.86 × 281,746.49
  4. Step 4: Simplify right side
    581,616.45x = 245,841,800,493.03
  5. Step 5: Solve for x
    x = 245,841,800,493.03/581,616.45
  6. Step 6: Final answer
    x = 422,687.15

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1.5x scale

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.