Home / 800,933.64-1,200,957.60-608,876.78

Finding the Fourth Proportional to 800,933.64, 1,200,957.60 and 608,876.78

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Solution

The fourth proportional to 800,933.64, 1,200,957.60 and 608,876.78 is: 912,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,933.64 : 1,200,957.60 = 608,876.78 : x
  2. Step 2: Convert to fraction form
    800,933.64/1,200,957.60 = 608,876.78/x
  3. Step 3: Cross multiply
    800,933.64x = 1,200,957.60 × 608,876.78
  4. Step 4: Simplify right side
    800,933.64x = 731,235,196,404.53
  5. Step 5: Solve for x
    x = 731,235,196,404.53/800,933.64
  6. Step 6: Final answer
    x = 912,978.50

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1.5x scale

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.