Home / 725,904.20-1,086,782.70-651,254.60

Finding the Fourth Proportional to 725,904.20, 1,086,782.70 and 651,254.60

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Solution

The fourth proportional to 725,904.20, 1,086,782.70 and 651,254.60 is: 975,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,904.20 : 1,086,782.70 = 651,254.60 : x
  2. Step 2: Convert to fraction form
    725,904.20/1,086,782.70 = 651,254.60/x
  3. Step 3: Cross multiply
    725,904.20x = 1,086,782.70 × 651,254.60
  4. Step 4: Simplify right side
    725,904.20x = 707,772,232,575.42
  5. Step 5: Solve for x
    x = 707,772,232,575.42/725,904.20
  6. Step 6: Final answer
    x = 975,021.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.