Home / 902,350.76-1,245,244.04-539,789.88

Finding the Fourth Proportional to 902,350.76, 1,245,244.04 and 539,789.88

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Solution

The fourth proportional to 902,350.76, 1,245,244.04 and 539,789.88 is: 744,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,350.76 : 1,245,244.04 = 539,789.88 : x
  2. Step 2: Convert to fraction form
    902,350.76/1,245,244.04 = 539,789.88/x
  3. Step 3: Cross multiply
    902,350.76x = 1,245,244.04 × 539,789.88
  4. Step 4: Simplify right side
    902,350.76x = 672,170,130,922.32
  5. Step 5: Solve for x
    x = 672,170,130,922.32/902,350.76
  6. Step 6: Final answer
    x = 744,910.03

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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.