Home / 1,105,197.52-1,525,110.24-621,783.04

Finding the Fourth Proportional to 1,105,197.52, 1,525,110.24 and 621,783.04

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Solution

The fourth proportional to 1,105,197.52, 1,525,110.24 and 621,783.04 is: 858,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,197.52 : 1,525,110.24 = 621,783.04 : x
  2. Step 2: Convert to fraction form
    1,105,197.52/1,525,110.24 = 621,783.04/x
  3. Step 3: Cross multiply
    1,105,197.52x = 1,525,110.24 × 621,783.04
  4. Step 4: Simplify right side
    1,105,197.52x = 948,287,681,362.33
  5. Step 5: Solve for x
    x = 948,287,681,362.33/1,105,197.52
  6. Step 6: Final answer
    x = 858,025.52

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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.