Home / 1,294,614.36-1,785,836.16-810,338.64

Finding the Fourth Proportional to 1,294,614.36, 1,785,836.16 and 810,338.64

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Solution

The fourth proportional to 1,294,614.36, 1,785,836.16 and 810,338.64 is: 1,117,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,614.36 : 1,785,836.16 = 810,338.64 : x
  2. Step 2: Convert to fraction form
    1,294,614.36/1,785,836.16 = 810,338.64/x
  3. Step 3: Cross multiply
    1,294,614.36x = 1,785,836.16 × 810,338.64
  4. Step 4: Simplify right side
    1,294,614.36x = 1,447,132,045,157.22
  5. Step 5: Solve for x
    x = 1,447,132,045,157.22/1,294,614.36
  6. Step 6: Final answer
    x = 1,117,809.36

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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.