Home / 1,138,966.67-1,571,706.52-629,638.67

Finding the Fourth Proportional to 1,138,966.67, 1,571,706.52 and 629,638.67

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Solution

The fourth proportional to 1,138,966.67, 1,571,706.52 and 629,638.67 is: 868,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,966.67 : 1,571,706.52 = 629,638.67 : x
  2. Step 2: Convert to fraction form
    1,138,966.67/1,571,706.52 = 629,638.67/x
  3. Step 3: Cross multiply
    1,138,966.67x = 1,571,706.52 × 629,638.67
  4. Step 4: Simplify right side
    1,138,966.67x = 989,607,205,238.30
  5. Step 5: Solve for x
    x = 989,607,205,238.30/1,138,966.67
  6. Step 6: Final answer
    x = 868,864.06

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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.