Home / 945,496.67-1,304,780.81-515,773.04

Finding the Fourth Proportional to 945,496.67, 1,304,780.81 and 515,773.04

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Solution

The fourth proportional to 945,496.67, 1,304,780.81 and 515,773.04 is: 711,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,496.67 : 1,304,780.81 = 515,773.04 : x
  2. Step 2: Convert to fraction form
    945,496.67/1,304,780.81 = 515,773.04/x
  3. Step 3: Cross multiply
    945,496.67x = 1,304,780.81 × 515,773.04
  4. Step 4: Simplify right side
    945,496.67x = 672,970,755,804.59
  5. Step 5: Solve for x
    x = 672,970,755,804.59/945,496.67
  6. Step 6: Final answer
    x = 711,764.28

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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.