Home / 851,679.36-1,174,239.18-561,245.76

Finding the Fourth Proportional to 851,679.36, 1,174,239.18 and 561,245.76

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Solution

The fourth proportional to 851,679.36, 1,174,239.18 and 561,245.76 is: 773,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,679.36 : 1,174,239.18 = 561,245.76 : x
  2. Step 2: Convert to fraction form
    851,679.36/1,174,239.18 = 561,245.76/x
  3. Step 3: Cross multiply
    851,679.36x = 1,174,239.18 × 561,245.76
  4. Step 4: Simplify right side
    851,679.36x = 659,036,761,000.88
  5. Step 5: Solve for x
    x = 659,036,761,000.88/851,679.36
  6. Step 6: Final answer
    x = 773,808.54

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1.5x scale

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.