Home / 578,077.76-867,039.92-262,462.08

Finding the Fourth Proportional to 578,077.76, 867,039.92 and 262,462.08

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Solution

The fourth proportional to 578,077.76, 867,039.92 and 262,462.08 is: 393,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,077.76 : 867,039.92 = 262,462.08 : x
  2. Step 2: Convert to fraction form
    578,077.76/867,039.92 = 262,462.08/x
  3. Step 3: Cross multiply
    578,077.76x = 867,039.92 × 262,462.08
  4. Step 4: Simplify right side
    578,077.76x = 227,565,100,846.23
  5. Step 5: Solve for x
    x = 227,565,100,846.23/578,077.76
  6. Step 6: Final answer
    x = 393,658.29

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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.