Home / 981,928.15-1,355,039.60-568,482.37

Finding the Fourth Proportional to 981,928.15, 1,355,039.60 and 568,482.37

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Solution

The fourth proportional to 981,928.15, 1,355,039.60 and 568,482.37 is: 784,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,928.15 : 1,355,039.60 = 568,482.37 : x
  2. Step 2: Convert to fraction form
    981,928.15/1,355,039.60 = 568,482.37/x
  3. Step 3: Cross multiply
    981,928.15x = 1,355,039.60 × 568,482.37
  4. Step 4: Simplify right side
    981,928.15x = 770,316,117,897.86
  5. Step 5: Solve for x
    x = 770,316,117,897.86/981,928.15
  6. Step 6: Final answer
    x = 784,493.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.