Home / 578,424.54-867,884.61-223,687.68

Finding the Fourth Proportional to 578,424.54, 867,884.61 and 223,687.68

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Solution

The fourth proportional to 578,424.54, 867,884.61 and 223,687.68 is: 335,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,424.54 : 867,884.61 = 223,687.68 : x
  2. Step 2: Convert to fraction form
    578,424.54/867,884.61 = 223,687.68/x
  3. Step 3: Cross multiply
    578,424.54x = 867,884.61 × 223,687.68
  4. Step 4: Simplify right side
    578,424.54x = 194,135,094,918.61
  5. Step 5: Solve for x
    x = 194,135,094,918.61/578,424.54
  6. Step 6: Final answer
    x = 335,627.35

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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.