Home / 964,738.91-1,331,421.54-535,157.44

Finding the Fourth Proportional to 964,738.91, 1,331,421.54 and 535,157.44

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Solution

The fourth proportional to 964,738.91, 1,331,421.54 and 535,157.44 is: 738,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,738.91 : 1,331,421.54 = 535,157.44 : x
  2. Step 2: Convert to fraction form
    964,738.91/1,331,421.54 = 535,157.44/x
  3. Step 3: Cross multiply
    964,738.91x = 1,331,421.54 × 535,157.44
  4. Step 4: Simplify right side
    964,738.91x = 712,520,137,571.86
  5. Step 5: Solve for x
    x = 712,520,137,571.86/964,738.91
  6. Step 6: Final answer
    x = 738,562.66

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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.