Home / 893,786.40-1,341,716.40-539,200.80

Finding the Fourth Proportional to 893,786.40, 1,341,716.40 and 539,200.80

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Solution

The fourth proportional to 893,786.40, 1,341,716.40 and 539,200.80 is: 809,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,786.40 : 1,341,716.40 = 539,200.80 : x
  2. Step 2: Convert to fraction form
    893,786.40/1,341,716.40 = 539,200.80/x
  3. Step 3: Cross multiply
    893,786.40x = 1,341,716.40 × 539,200.80
  4. Step 4: Simplify right side
    893,786.40x = 723,454,556,253.12
  5. Step 5: Solve for x
    x = 723,454,556,253.12/893,786.40
  6. Step 6: Final answer
    x = 809,426.68

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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.