Home / 455,541.20-683,927.40-266,195.60

Finding the Fourth Proportional to 455,541.20, 683,927.40 and 266,195.60

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Solution

The fourth proportional to 455,541.20, 683,927.40 and 266,195.60 is: 399,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,541.20 : 683,927.40 = 266,195.60 : x
  2. Step 2: Convert to fraction form
    455,541.20/683,927.40 = 266,195.60/x
  3. Step 3: Cross multiply
    455,541.20x = 683,927.40 × 266,195.60
  4. Step 4: Simplify right side
    455,541.20x = 182,058,464,599.44
  5. Step 5: Solve for x
    x = 182,058,464,599.44/455,541.20
  6. Step 6: Final answer
    x = 399,653.13

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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.