Home / 741,221.04-1,022,885.91-401,689.29

Finding the Fourth Proportional to 741,221.04, 1,022,885.91 and 401,689.29

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Solution

The fourth proportional to 741,221.04, 1,022,885.91 and 401,689.29 is: 554,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,221.04 : 1,022,885.91 = 401,689.29 : x
  2. Step 2: Convert to fraction form
    741,221.04/1,022,885.91 = 401,689.29/x
  3. Step 3: Cross multiply
    741,221.04x = 1,022,885.91 × 401,689.29
  4. Step 4: Simplify right side
    741,221.04x = 410,882,314,938.90
  5. Step 5: Solve for x
    x = 410,882,314,938.90/741,221.04
  6. Step 6: Final answer
    x = 554,331.69

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1.5x scale

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.