Home / 821,947.14-1,233,020.34-289,359.18

Finding the Fourth Proportional to 821,947.14, 1,233,020.34 and 289,359.18

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Solution

The fourth proportional to 821,947.14, 1,233,020.34 and 289,359.18 is: 434,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,947.14 : 1,233,020.34 = 289,359.18 : x
  2. Step 2: Convert to fraction form
    821,947.14/1,233,020.34 = 289,359.18/x
  3. Step 3: Cross multiply
    821,947.14x = 1,233,020.34 × 289,359.18
  4. Step 4: Simplify right side
    821,947.14x = 356,785,754,505.72
  5. Step 5: Solve for x
    x = 356,785,754,505.72/821,947.14
  6. Step 6: Final answer
    x = 434,073.84

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1.5x scale

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.