Home / 838,983.69-1,157,791.55-457,010.46

Finding the Fourth Proportional to 838,983.69, 1,157,791.55 and 457,010.46

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Solution

The fourth proportional to 838,983.69, 1,157,791.55 and 457,010.46 is: 630,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,983.69 : 1,157,791.55 = 457,010.46 : x
  2. Step 2: Convert to fraction form
    838,983.69/1,157,791.55 = 457,010.46/x
  3. Step 3: Cross multiply
    838,983.69x = 1,157,791.55 × 457,010.46
  4. Step 4: Simplify right side
    838,983.69x = 529,122,846,564.56
  5. Step 5: Solve for x
    x = 529,122,846,564.56/838,983.69
  6. Step 6: Final answer
    x = 630,671.20

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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.