Home / 1,341,249.51-2,012,760.61-631,480.53

Finding the Fourth Proportional to 1,341,249.51, 2,012,760.61 and 631,480.53

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Solution

The fourth proportional to 1,341,249.51, 2,012,760.61 and 631,480.53 is: 947,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,249.51 : 2,012,760.61 = 631,480.53 : x
  2. Step 2: Convert to fraction form
    1,341,249.51/2,012,760.61 = 631,480.53/x
  3. Step 3: Cross multiply
    1,341,249.51x = 2,012,760.61 × 631,480.53
  4. Step 4: Simplify right side
    1,341,249.51x = 1,271,019,135,187.22
  5. Step 5: Solve for x
    x = 1,271,019,135,187.22/1,341,249.51
  6. Step 6: Final answer
    x = 947,638.10

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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.