Home / 838,003.18-1,156,442.25-456,029.86

Finding the Fourth Proportional to 838,003.18, 1,156,442.25 and 456,029.86

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Solution

The fourth proportional to 838,003.18, 1,156,442.25 and 456,029.86 is: 629,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,003.18 : 1,156,442.25 = 456,029.86 : x
  2. Step 2: Convert to fraction form
    838,003.18/1,156,442.25 = 456,029.86/x
  3. Step 3: Cross multiply
    838,003.18x = 1,156,442.25 × 456,029.86
  4. Step 4: Simplify right side
    838,003.18x = 527,372,197,365.59
  5. Step 5: Solve for x
    x = 527,372,197,365.59/838,003.18
  6. Step 6: Final answer
    x = 629,320.04

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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.