Home / 532,426.55-734,743.04-290,708.37

Finding the Fourth Proportional to 532,426.55, 734,743.04 and 290,708.37

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Solution

The fourth proportional to 532,426.55, 734,743.04 and 290,708.37 is: 401,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,426.55 : 734,743.04 = 290,708.37 : x
  2. Step 2: Convert to fraction form
    532,426.55/734,743.04 = 290,708.37/x
  3. Step 3: Cross multiply
    532,426.55x = 734,743.04 × 290,708.37
  4. Step 4: Simplify right side
    532,426.55x = 213,595,950,073.70
  5. Step 5: Solve for x
    x = 213,595,950,073.70/532,426.55
  6. Step 6: Final answer
    x = 401,174.49

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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.