Home / 735,128.88-1,014,863.16-494,675.76

Finding the Fourth Proportional to 735,128.88, 1,014,863.16 and 494,675.76

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Solution

The fourth proportional to 735,128.88, 1,014,863.16 and 494,675.76 is: 682,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,128.88 : 1,014,863.16 = 494,675.76 : x
  2. Step 2: Convert to fraction form
    735,128.88/1,014,863.16 = 494,675.76/x
  3. Step 3: Cross multiply
    735,128.88x = 1,014,863.16 × 494,675.76
  4. Step 4: Simplify right side
    735,128.88x = 502,028,204,969.00
  5. Step 5: Solve for x
    x = 502,028,204,969.00/735,128.88
  6. Step 6: Final answer
    x = 682,911.82

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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.