Home / 945,326.43-1,304,566.02-515,606.58

Finding the Fourth Proportional to 945,326.43, 1,304,566.02 and 515,606.58

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Solution

The fourth proportional to 945,326.43, 1,304,566.02 and 515,606.58 is: 711,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,326.43 : 1,304,566.02 = 515,606.58 : x
  2. Step 2: Convert to fraction form
    945,326.43/1,304,566.02 = 515,606.58/x
  3. Step 3: Cross multiply
    945,326.43x = 1,304,566.02 × 515,606.58
  4. Step 4: Simplify right side
    945,326.43x = 672,642,823,956.41
  5. Step 5: Solve for x
    x = 672,642,823,956.41/945,326.43
  6. Step 6: Final answer
    x = 711,545.56

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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.