Home / 1,105,176.80-1,525,141.38-621,741.80

Finding the Fourth Proportional to 1,105,176.80, 1,525,141.38 and 621,741.80

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Solution

The fourth proportional to 1,105,176.80, 1,525,141.38 and 621,741.80 is: 858,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,176.80 : 1,525,141.38 = 621,741.80 : x
  2. Step 2: Convert to fraction form
    1,105,176.80/1,525,141.38 = 621,741.80/x
  3. Step 3: Cross multiply
    1,105,176.80x = 1,525,141.38 × 621,741.80
  4. Step 4: Simplify right side
    1,105,176.80x = 948,244,146,855.68
  5. Step 5: Solve for x
    x = 948,244,146,855.68/1,105,176.80
  6. Step 6: Final answer
    x = 858,002.22

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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.