Home / 479,813.46-719,821.68-180,296.64

Finding the Fourth Proportional to 479,813.46, 719,821.68 and 180,296.64

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Solution

The fourth proportional to 479,813.46, 719,821.68 and 180,296.64 is: 270,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,813.46 : 719,821.68 = 180,296.64 : x
  2. Step 2: Convert to fraction form
    479,813.46/719,821.68 = 180,296.64/x
  3. Step 3: Cross multiply
    479,813.46x = 719,821.68 × 180,296.64
  4. Step 4: Simplify right side
    479,813.46x = 129,781,430,303.16
  5. Step 5: Solve for x
    x = 129,781,430,303.16/479,813.46
  6. Step 6: Final answer
    x = 270,483.10

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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.