Home / 494,900.24-742,350-284,403.92

Finding the Fourth Proportional to 494,900.24, 742,350 and 284,403.92

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Solution

The fourth proportional to 494,900.24, 742,350 and 284,403.92 is: 426,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,900.24 : 742,350 = 284,403.92 : x
  2. Step 2: Convert to fraction form
    494,900.24/742,350 = 284,403.92/x
  3. Step 3: Cross multiply
    494,900.24x = 742,350 × 284,403.92
  4. Step 4: Simplify right side
    494,900.24x = 211,127,250,012
  5. Step 5: Solve for x
    x = 211,127,250,012/494,900.24
  6. Step 6: Final answer
    x = 426,605.67

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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.