Home / 834,778.43-1,252,383.50-488,854.03

Finding the Fourth Proportional to 834,778.43, 1,252,383.50 and 488,854.03

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Solution

The fourth proportional to 834,778.43, 1,252,383.50 and 488,854.03 is: 733,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,778.43 : 1,252,383.50 = 488,854.03 : x
  2. Step 2: Convert to fraction form
    834,778.43/1,252,383.50 = 488,854.03/x
  3. Step 3: Cross multiply
    834,778.43x = 1,252,383.50 × 488,854.03
  4. Step 4: Simplify right side
    834,778.43x = 612,232,721,080.51
  5. Step 5: Solve for x
    x = 612,232,721,080.51/834,778.43
  6. Step 6: Final answer
    x = 733,407.45

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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.