Home / 827,255.20-1,241,804.40-454,007.20

Finding the Fourth Proportional to 827,255.20, 1,241,804.40 and 454,007.20

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Solution

The fourth proportional to 827,255.20, 1,241,804.40 and 454,007.20 is: 681,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,255.20 : 1,241,804.40 = 454,007.20 : x
  2. Step 2: Convert to fraction form
    827,255.20/1,241,804.40 = 454,007.20/x
  3. Step 3: Cross multiply
    827,255.20x = 1,241,804.40 × 454,007.20
  4. Step 4: Simplify right side
    827,255.20x = 563,788,138,591.68
  5. Step 5: Solve for x
    x = 563,788,138,591.68/827,255.20
  6. Step 6: Final answer
    x = 681,516.58

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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.