Home / 532,432.58-734,786.71-290,737.58

Finding the Fourth Proportional to 532,432.58, 734,786.71 and 290,737.58

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Solution

The fourth proportional to 532,432.58, 734,786.71 and 290,737.58 is: 401,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,432.58 : 734,786.71 = 290,737.58 : x
  2. Step 2: Convert to fraction form
    532,432.58/734,786.71 = 290,737.58/x
  3. Step 3: Cross multiply
    532,432.58x = 734,786.71 × 290,737.58
  4. Step 4: Simplify right side
    532,432.58x = 213,630,105,480.78
  5. Step 5: Solve for x
    x = 213,630,105,480.78/532,432.58
  6. Step 6: Final answer
    x = 401,234.10

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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.