Home / 1,769,322.36-2,653,985.38-439,626.36

Finding the Fourth Proportional to 1,769,322.36, 2,653,985.38 and 439,626.36

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Solution

The fourth proportional to 1,769,322.36, 2,653,985.38 and 439,626.36 is: 659,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,322.36 : 2,653,985.38 = 439,626.36 : x
  2. Step 2: Convert to fraction form
    1,769,322.36/2,653,985.38 = 439,626.36/x
  3. Step 3: Cross multiply
    1,769,322.36x = 2,653,985.38 × 439,626.36
  4. Step 4: Simplify right side
    1,769,322.36x = 1,166,761,932,102.62
  5. Step 5: Solve for x
    x = 1,166,761,932,102.62/1,769,322.36
  6. Step 6: Final answer
    x = 659,440.00

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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.