Home / 784,015.09-1,081,809.65-461,789.33

Finding the Fourth Proportional to 784,015.09, 1,081,809.65 and 461,789.33

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Solution

The fourth proportional to 784,015.09, 1,081,809.65 and 461,789.33 is: 637,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,015.09 : 1,081,809.65 = 461,789.33 : x
  2. Step 2: Convert to fraction form
    784,015.09/1,081,809.65 = 461,789.33/x
  3. Step 3: Cross multiply
    784,015.09x = 1,081,809.65 × 461,789.33
  4. Step 4: Simplify right side
    784,015.09x = 499,568,149,206.46
  5. Step 5: Solve for x
    x = 499,568,149,206.46/784,015.09
  6. Step 6: Final answer
    x = 637,192.01

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1.5x scale

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.