Home / 1,784,816.28-2,678,288.20-647,667.19

Finding the Fourth Proportional to 1,784,816.28, 2,678,288.20 and 647,667.19

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Solution

The fourth proportional to 1,784,816.28, 2,678,288.20 and 647,667.19 is: 971,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,816.28 : 2,678,288.20 = 647,667.19 : x
  2. Step 2: Convert to fraction form
    1,784,816.28/2,678,288.20 = 647,667.19/x
  3. Step 3: Cross multiply
    1,784,816.28x = 2,678,288.20 × 647,667.19
  4. Step 4: Simplify right side
    1,784,816.28x = 1,734,639,402,198.51
  5. Step 5: Solve for x
    x = 1,734,639,402,198.51/1,784,816.28
  6. Step 6: Final answer
    x = 971,886.81

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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.