Home / 1,591,106.48-2,385,919.78-579,524.21

Finding the Fourth Proportional to 1,591,106.48, 2,385,919.78 and 579,524.21

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Solution

The fourth proportional to 1,591,106.48, 2,385,919.78 and 579,524.21 is: 869,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,106.48 : 2,385,919.78 = 579,524.21 : x
  2. Step 2: Convert to fraction form
    1,591,106.48/2,385,919.78 = 579,524.21/x
  3. Step 3: Cross multiply
    1,591,106.48x = 2,385,919.78 × 579,524.21
  4. Step 4: Simplify right side
    1,591,106.48x = 1,382,698,272,730.25
  5. Step 5: Solve for x
    x = 1,382,698,272,730.25/1,591,106.48
  6. Step 6: Final answer
    x = 869,016.81

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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.