Home / 1,070,839.08-1,605,741.92-621,673

Finding the Fourth Proportional to 1,070,839.08, 1,605,741.92 and 621,673

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Solution

The fourth proportional to 1,070,839.08, 1,605,741.92 and 621,673 is: 932,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,839.08 : 1,605,741.92 = 621,673 : x
  2. Step 2: Convert to fraction form
    1,070,839.08/1,605,741.92 = 621,673/x
  3. Step 3: Cross multiply
    1,070,839.08x = 1,605,741.92 × 621,673
  4. Step 4: Simplify right side
    1,070,839.08x = 998,246,396,632.16
  5. Step 5: Solve for x
    x = 998,246,396,632.16/1,070,839.08
  6. Step 6: Final answer
    x = 932,209.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.