Home / 981,774.84-1,354,972.67-552,051.89

Finding the Fourth Proportional to 981,774.84, 1,354,972.67 and 552,051.89

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Solution

The fourth proportional to 981,774.84, 1,354,972.67 and 552,051.89 is: 761,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,774.84 : 1,354,972.67 = 552,051.89 : x
  2. Step 2: Convert to fraction form
    981,774.84/1,354,972.67 = 552,051.89/x
  3. Step 3: Cross multiply
    981,774.84x = 1,354,972.67 × 552,051.89
  4. Step 4: Simplify right side
    981,774.84x = 748,015,213,836.72
  5. Step 5: Solve for x
    x = 748,015,213,836.72/981,774.84
  6. Step 6: Final answer
    x = 761,900.98

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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.