Home / 998,941.68-1,378,554.54-569,212.59

Finding the Fourth Proportional to 998,941.68, 1,378,554.54 and 569,212.59

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Solution

The fourth proportional to 998,941.68, 1,378,554.54 and 569,212.59 is: 785,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,941.68 : 1,378,554.54 = 569,212.59 : x
  2. Step 2: Convert to fraction form
    998,941.68/1,378,554.54 = 569,212.59/x
  3. Step 3: Cross multiply
    998,941.68x = 1,378,554.54 × 569,212.59
  4. Step 4: Simplify right side
    998,941.68x = 784,690,600,169.66
  5. Step 5: Solve for x
    x = 784,690,600,169.66/998,941.68
  6. Step 6: Final answer
    x = 785,521.93

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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.