Home / 807,105.20-1,113,271.80-504,774.32

Finding the Fourth Proportional to 807,105.20, 1,113,271.80 and 504,774.32

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Solution

The fourth proportional to 807,105.20, 1,113,271.80 and 504,774.32 is: 696,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,105.20 : 1,113,271.80 = 504,774.32 : x
  2. Step 2: Convert to fraction form
    807,105.20/1,113,271.80 = 504,774.32/x
  3. Step 3: Cross multiply
    807,105.20x = 1,113,271.80 × 504,774.32
  4. Step 4: Simplify right side
    807,105.20x = 561,951,015,820.18
  5. Step 5: Solve for x
    x = 561,951,015,820.18/807,105.20
  6. Step 6: Final answer
    x = 696,254.98

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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.