Home / 838,377.64-1,156,959.78-456,403.24

Finding the Fourth Proportional to 838,377.64, 1,156,959.78 and 456,403.24

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Solution

The fourth proportional to 838,377.64, 1,156,959.78 and 456,403.24 is: 629,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,377.64 : 1,156,959.78 = 456,403.24 : x
  2. Step 2: Convert to fraction form
    838,377.64/1,156,959.78 = 456,403.24/x
  3. Step 3: Cross multiply
    838,377.64x = 1,156,959.78 × 456,403.24
  4. Step 4: Simplify right side
    838,377.64x = 528,040,192,141.69
  5. Step 5: Solve for x
    x = 528,040,192,141.69/838,377.64
  6. Step 6: Final answer
    x = 629,835.73

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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.