Home / 668,006.52-1,001,482.74-331,163.16

Finding the Fourth Proportional to 668,006.52, 1,001,482.74 and 331,163.16

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Solution

The fourth proportional to 668,006.52, 1,001,482.74 and 331,163.16 is: 496,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,006.52 : 1,001,482.74 = 331,163.16 : x
  2. Step 2: Convert to fraction form
    668,006.52/1,001,482.74 = 331,163.16/x
  3. Step 3: Cross multiply
    668,006.52x = 1,001,482.74 × 331,163.16
  4. Step 4: Simplify right side
    668,006.52x = 331,654,188,863.86
  5. Step 5: Solve for x
    x = 331,654,188,863.86/668,006.52
  6. Step 6: Final answer
    x = 496,483.46

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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.