Home / 725,955.20-1,086,859.20-651,305.60

Finding the Fourth Proportional to 725,955.20, 1,086,859.20 and 651,305.60

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Solution

The fourth proportional to 725,955.20, 1,086,859.20 and 651,305.60 is: 975,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,955.20 : 1,086,859.20 = 651,305.60 : x
  2. Step 2: Convert to fraction form
    725,955.20/1,086,859.20 = 651,305.60/x
  3. Step 3: Cross multiply
    725,955.20x = 1,086,859.20 × 651,305.60
  4. Step 4: Simplify right side
    725,955.20x = 707,877,483,371.52
  5. Step 5: Solve for x
    x = 707,877,483,371.52/725,955.20
  6. Step 6: Final answer
    x = 975,098.03

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1.5x scale

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.