Home / 780,606.36-1,077,222.74-441,067.32

Finding the Fourth Proportional to 780,606.36, 1,077,222.74 and 441,067.32

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Solution

The fourth proportional to 780,606.36, 1,077,222.74 and 441,067.32 is: 608,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,606.36 : 1,077,222.74 = 441,067.32 : x
  2. Step 2: Convert to fraction form
    780,606.36/1,077,222.74 = 441,067.32/x
  3. Step 3: Cross multiply
    780,606.36x = 1,077,222.74 × 441,067.32
  4. Step 4: Simplify right side
    780,606.36x = 475,127,744,769.52
  5. Step 5: Solve for x
    x = 475,127,744,769.52/780,606.36
  6. Step 6: Final answer
    x = 608,664.97

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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.