Home / 725,296.80-1,001,052.96-463,484.64

Finding the Fourth Proportional to 725,296.80, 1,001,052.96 and 463,484.64

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Solution

The fourth proportional to 725,296.80, 1,001,052.96 and 463,484.64 is: 639,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,296.80 : 1,001,052.96 = 463,484.64 : x
  2. Step 2: Convert to fraction form
    725,296.80/1,001,052.96 = 463,484.64/x
  3. Step 3: Cross multiply
    725,296.80x = 1,001,052.96 × 463,484.64
  4. Step 4: Simplify right side
    725,296.80x = 463,972,670,786.53
  5. Step 5: Solve for x
    x = 463,972,670,786.53/725,296.80
  6. Step 6: Final answer
    x = 639,700.42

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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.