Home / 532,432.32-734,786.36-290,737.32

Finding the Fourth Proportional to 532,432.32, 734,786.36 and 290,737.32

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Solution

The fourth proportional to 532,432.32, 734,786.36 and 290,737.32 is: 401,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,432.32 : 734,786.36 = 290,737.32 : x
  2. Step 2: Convert to fraction form
    532,432.32/734,786.36 = 290,737.32/x
  3. Step 3: Cross multiply
    532,432.32x = 734,786.36 × 290,737.32
  4. Step 4: Simplify right side
    532,432.32x = 213,629,817,078.96
  5. Step 5: Solve for x
    x = 213,629,817,078.96/532,432.32
  6. Step 6: Final answer
    x = 401,233.75

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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.