Home / 1,271,535-1,753,703.47-836,399.23

Finding the Fourth Proportional to 1,271,535, 1,753,703.47 and 836,399.23

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Solution

The fourth proportional to 1,271,535, 1,753,703.47 and 836,399.23 is: 1,153,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,535 : 1,753,703.47 = 836,399.23 : x
  2. Step 2: Convert to fraction form
    1,271,535/1,753,703.47 = 836,399.23/x
  3. Step 3: Cross multiply
    1,271,535x = 1,753,703.47 × 836,399.23
  4. Step 4: Simplify right side
    1,271,535x = 1,466,796,231,956.33
  5. Step 5: Solve for x
    x = 1,466,796,231,956.33/1,271,535
  6. Step 6: Final answer
    x = 1,153,563.40

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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.