Home / 879,959.22-1,213,716.85-807,595.03

Finding the Fourth Proportional to 879,959.22, 1,213,716.85 and 807,595.03

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Solution

The fourth proportional to 879,959.22, 1,213,716.85 and 807,595.03 is: 1,113,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,959.22 : 1,213,716.85 = 807,595.03 : x
  2. Step 2: Convert to fraction form
    879,959.22/1,213,716.85 = 807,595.03/x
  3. Step 3: Cross multiply
    879,959.22x = 1,213,716.85 × 807,595.03
  4. Step 4: Simplify right side
    879,959.22x = 980,191,695,887.26
  5. Step 5: Solve for x
    x = 980,191,695,887.26/879,959.22
  6. Step 6: Final answer
    x = 1,113,905.82

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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.