Home / 1,621,996.40-2,238,264.58-896,800.56

Finding the Fourth Proportional to 1,621,996.40, 2,238,264.58 and 896,800.56

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Solution

The fourth proportional to 1,621,996.40, 2,238,264.58 and 896,800.56 is: 1,237,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,996.40 : 2,238,264.58 = 896,800.56 : x
  2. Step 2: Convert to fraction form
    1,621,996.40/2,238,264.58 = 896,800.56/x
  3. Step 3: Cross multiply
    1,621,996.40x = 2,238,264.58 × 896,800.56
  4. Step 4: Simplify right side
    1,621,996.40x = 2,007,276,928,772.17
  5. Step 5: Solve for x
    x = 2,007,276,928,772.17/1,621,996.40
  6. Step 6: Final answer
    x = 1,237,534.76

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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.