Home / 1,381,784.23-1,906,866.11-801,120.20

Finding the Fourth Proportional to 1,381,784.23, 1,906,866.11 and 801,120.20

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Solution

The fourth proportional to 1,381,784.23, 1,906,866.11 and 801,120.20 is: 1,105,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,784.23 : 1,906,866.11 = 801,120.20 : x
  2. Step 2: Convert to fraction form
    1,381,784.23/1,906,866.11 = 801,120.20/x
  3. Step 3: Cross multiply
    1,381,784.23x = 1,906,866.11 × 801,120.20
  4. Step 4: Simplify right side
    1,381,784.23x = 1,527,628,955,410.82
  5. Step 5: Solve for x
    x = 1,527,628,955,410.82/1,381,784.23
  6. Step 6: Final answer
    x = 1,105,548.12

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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.