Home / 1,778,286.05-2,666,087.70-579,492.53

Finding the Fourth Proportional to 1,778,286.05, 2,666,087.70 and 579,492.53

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Solution

The fourth proportional to 1,778,286.05, 2,666,087.70 and 579,492.53 is: 868,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,286.05 : 2,666,087.70 = 579,492.53 : x
  2. Step 2: Convert to fraction form
    1,778,286.05/2,666,087.70 = 579,492.53/x
  3. Step 3: Cross multiply
    1,778,286.05x = 2,666,087.70 × 579,492.53
  4. Step 4: Simplify right side
    1,778,286.05x = 1,544,977,906,474.88
  5. Step 5: Solve for x
    x = 1,544,977,906,474.88/1,778,286.05
  6. Step 6: Final answer
    x = 868,801.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.