Home / 959,265.89-1,439,040.98-319,360.62

Finding the Fourth Proportional to 959,265.89, 1,439,040.98 and 319,360.62

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Solution

The fourth proportional to 959,265.89, 1,439,040.98 and 319,360.62 is: 479,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,265.89 : 1,439,040.98 = 319,360.62 : x
  2. Step 2: Convert to fraction form
    959,265.89/1,439,040.98 = 319,360.62/x
  3. Step 3: Cross multiply
    959,265.89x = 1,439,040.98 × 319,360.62
  4. Step 4: Simplify right side
    959,265.89x = 459,573,019,578.21
  5. Step 5: Solve for x
    x = 459,573,019,578.21/959,265.89
  6. Step 6: Final answer
    x = 479,088.26

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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.