Home / 824,078.25-1,137,201.39-456,540.26

Finding the Fourth Proportional to 824,078.25, 1,137,201.39 and 456,540.26

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Solution

The fourth proportional to 824,078.25, 1,137,201.39 and 456,540.26 is: 630,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,078.25 : 1,137,201.39 = 456,540.26 : x
  2. Step 2: Convert to fraction form
    824,078.25/1,137,201.39 = 456,540.26/x
  3. Step 3: Cross multiply
    824,078.25x = 1,137,201.39 × 456,540.26
  4. Step 4: Simplify right side
    824,078.25x = 519,178,212,576.95
  5. Step 5: Solve for x
    x = 519,178,212,576.95/824,078.25
  6. Step 6: Final answer
    x = 630,010.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.