Home / 1,816,778.35-2,725,589.68-618,711.06

Finding the Fourth Proportional to 1,816,778.35, 2,725,589.68 and 618,711.06

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Solution

The fourth proportional to 1,816,778.35, 2,725,589.68 and 618,711.06 is: 928,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,778.35 : 2,725,589.68 = 618,711.06 : x
  2. Step 2: Convert to fraction form
    1,816,778.35/2,725,589.68 = 618,711.06/x
  3. Step 3: Cross multiply
    1,816,778.35x = 2,725,589.68 × 618,711.06
  4. Step 4: Simplify right side
    1,816,778.35x = 1,686,352,480,037.86
  5. Step 5: Solve for x
    x = 1,686,352,480,037.86/1,816,778.35
  6. Step 6: Final answer
    x = 928,210.36

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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.