Home / 1,136,551-1,568,428.11-620,300.70

Finding the Fourth Proportional to 1,136,551, 1,568,428.11 and 620,300.70

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Solution

The fourth proportional to 1,136,551, 1,568,428.11 and 620,300.70 is: 856,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,551 : 1,568,428.11 = 620,300.70 : x
  2. Step 2: Convert to fraction form
    1,136,551/1,568,428.11 = 620,300.70/x
  3. Step 3: Cross multiply
    1,136,551x = 1,568,428.11 × 620,300.70
  4. Step 4: Simplify right side
    1,136,551x = 972,897,054,532.68
  5. Step 5: Solve for x
    x = 972,897,054,532.68/1,136,551
  6. Step 6: Final answer
    x = 856,008.27

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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.