Home / 400,180.26-600,438.87-175,424.70

Finding the Fourth Proportional to 400,180.26, 600,438.87 and 175,424.70

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Solution

The fourth proportional to 400,180.26, 600,438.87 and 175,424.70 is: 263,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,180.26 : 600,438.87 = 175,424.70 : x
  2. Step 2: Convert to fraction form
    400,180.26/600,438.87 = 175,424.70/x
  3. Step 3: Cross multiply
    400,180.26x = 600,438.87 × 175,424.70
  4. Step 4: Simplify right side
    400,180.26x = 105,331,808,638.09
  5. Step 5: Solve for x
    x = 105,331,808,638.09/400,180.26
  6. Step 6: Final answer
    x = 263,210.91

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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.