Home / 979,050.18-1,468,216.46-339,188.66

Finding the Fourth Proportional to 979,050.18, 1,468,216.46 and 339,188.66

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Solution

The fourth proportional to 979,050.18, 1,468,216.46 and 339,188.66 is: 508,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,050.18 : 1,468,216.46 = 339,188.66 : x
  2. Step 2: Convert to fraction form
    979,050.18/1,468,216.46 = 339,188.66/x
  3. Step 3: Cross multiply
    979,050.18x = 1,468,216.46 × 339,188.66
  4. Step 4: Simplify right side
    979,050.18x = 498,002,364,620.32
  5. Step 5: Solve for x
    x = 498,002,364,620.32/979,050.18
  6. Step 6: Final answer
    x = 508,658.67

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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.