Home / 532,426.53-734,743.05-290,708.36

Finding the Fourth Proportional to 532,426.53, 734,743.05 and 290,708.36

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Solution

The fourth proportional to 532,426.53, 734,743.05 and 290,708.36 is: 401,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,426.53 : 734,743.05 = 290,708.36 : x
  2. Step 2: Convert to fraction form
    532,426.53/734,743.05 = 290,708.36/x
  3. Step 3: Cross multiply
    532,426.53x = 734,743.05 × 290,708.36
  4. Step 4: Simplify right side
    532,426.53x = 213,595,946,713.55
  5. Step 5: Solve for x
    x = 213,595,946,713.55/532,426.53
  6. Step 6: Final answer
    x = 401,174.50

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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.