Home / 1,621,997.40-2,238,265.96-896,801.56

Finding the Fourth Proportional to 1,621,997.40, 2,238,265.96 and 896,801.56

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Solution

The fourth proportional to 1,621,997.40, 2,238,265.96 and 896,801.56 is: 1,237,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,997.40 : 2,238,265.96 = 896,801.56 : x
  2. Step 2: Convert to fraction form
    1,621,997.40/2,238,265.96 = 896,801.56/x
  3. Step 3: Cross multiply
    1,621,997.40x = 2,238,265.96 × 896,801.56
  4. Step 4: Simplify right side
    1,621,997.40x = 2,007,280,404,622.90
  5. Step 5: Solve for x
    x = 2,007,280,404,622.90/1,621,997.40
  6. Step 6: Final answer
    x = 1,237,536.14

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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.