Home / 738,118.20-1,107,695.70-472,524.60

Finding the Fourth Proportional to 738,118.20, 1,107,695.70 and 472,524.60

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Solution

The fourth proportional to 738,118.20, 1,107,695.70 and 472,524.60 is: 709,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,118.20 : 1,107,695.70 = 472,524.60 : x
  2. Step 2: Convert to fraction form
    738,118.20/1,107,695.70 = 472,524.60/x
  3. Step 3: Cross multiply
    738,118.20x = 1,107,695.70 × 472,524.60
  4. Step 4: Simplify right side
    738,118.20x = 523,413,467,564.22
  5. Step 5: Solve for x
    x = 523,413,467,564.22/738,118.20
  6. Step 6: Final answer
    x = 709,118.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.