Home / 532,665.05-735,072.90-290,947.55

Finding the Fourth Proportional to 532,665.05, 735,072.90 and 290,947.55

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Solution

The fourth proportional to 532,665.05, 735,072.90 and 290,947.55 is: 401,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,665.05 : 735,072.90 = 290,947.55 : x
  2. Step 2: Convert to fraction form
    532,665.05/735,072.90 = 290,947.55/x
  3. Step 3: Cross multiply
    532,665.05x = 735,072.90 × 290,947.55
  4. Step 4: Simplify right side
    532,665.05x = 213,867,659,326.40
  5. Step 5: Solve for x
    x = 213,867,659,326.40/532,665.05
  6. Step 6: Final answer
    x = 401,504.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.