Home / 1,433,112.48-2,149,322.40-421,959.24

Finding the Fourth Proportional to 1,433,112.48, 2,149,322.40 and 421,959.24

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Solution

The fourth proportional to 1,433,112.48, 2,149,322.40 and 421,959.24 is: 632,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,112.48 : 2,149,322.40 = 421,959.24 : x
  2. Step 2: Convert to fraction form
    1,433,112.48/2,149,322.40 = 421,959.24/x
  3. Step 3: Cross multiply
    1,433,112.48x = 2,149,322.40 × 421,959.24
  4. Step 4: Simplify right side
    1,433,112.48x = 906,926,446,418.98
  5. Step 5: Solve for x
    x = 906,926,446,418.98/1,433,112.48
  6. Step 6: Final answer
    x = 632,836.89

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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.