Home / 1,174,656-1,620,887.76-691,114.80

Finding the Fourth Proportional to 1,174,656, 1,620,887.76 and 691,114.80

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Solution

The fourth proportional to 1,174,656, 1,620,887.76 and 691,114.80 is: 953,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,656 : 1,620,887.76 = 691,114.80 : x
  2. Step 2: Convert to fraction form
    1,174,656/1,620,887.76 = 691,114.80/x
  3. Step 3: Cross multiply
    1,174,656x = 1,620,887.76 × 691,114.80
  4. Step 4: Simplify right side
    1,174,656x = 1,120,219,520,074.85
  5. Step 5: Solve for x
    x = 1,120,219,520,074.85/1,174,656
  6. Step 6: Final answer
    x = 953,657.51

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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.