Home / 1,138,526.93-1,571,105.49-629,196.50

Finding the Fourth Proportional to 1,138,526.93, 1,571,105.49 and 629,196.50

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Solution

The fourth proportional to 1,138,526.93, 1,571,105.49 and 629,196.50 is: 868,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,526.93 : 1,571,105.49 = 629,196.50 : x
  2. Step 2: Convert to fraction form
    1,138,526.93/1,571,105.49 = 629,196.50/x
  3. Step 3: Cross multiply
    1,138,526.93x = 1,571,105.49 × 629,196.50
  4. Step 4: Simplify right side
    1,138,526.93x = 988,534,075,438.79
  5. Step 5: Solve for x
    x = 988,534,075,438.79/1,138,526.93
  6. Step 6: Final answer
    x = 868,257.09

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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.