Home / 959,422.68-1,439,113.82-319,772.68

Finding the Fourth Proportional to 959,422.68, 1,439,113.82 and 319,772.68

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Solution

The fourth proportional to 959,422.68, 1,439,113.82 and 319,772.68 is: 479,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,422.68 : 1,439,113.82 = 319,772.68 : x
  2. Step 2: Convert to fraction form
    959,422.68/1,439,113.82 = 319,772.68/x
  3. Step 3: Cross multiply
    959,422.68x = 1,439,113.82 × 319,772.68
  4. Step 4: Simplify right side
    959,422.68x = 460,189,283,046.44
  5. Step 5: Solve for x
    x = 460,189,283,046.44/959,422.68
  6. Step 6: Final answer
    x = 479,652.29

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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.