Home / 1,283,912.98-1,771,853.30-710,953.13

Finding the Fourth Proportional to 1,283,912.98, 1,771,853.30 and 710,953.13

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Solution

The fourth proportional to 1,283,912.98, 1,771,853.30 and 710,953.13 is: 981,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,912.98 : 1,771,853.30 = 710,953.13 : x
  2. Step 2: Convert to fraction form
    1,283,912.98/1,771,853.30 = 710,953.13/x
  3. Step 3: Cross multiply
    1,283,912.98x = 1,771,853.30 × 710,953.13
  4. Step 4: Simplify right side
    1,283,912.98x = 1,259,704,653,076.77
  5. Step 5: Solve for x
    x = 1,259,704,653,076.77/1,283,912.98
  6. Step 6: Final answer
    x = 981,144.89

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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.