Home / 1,446,154.72-2,168,357.28-647,287.36

Finding the Fourth Proportional to 1,446,154.72, 2,168,357.28 and 647,287.36

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Solution

The fourth proportional to 1,446,154.72, 2,168,357.28 and 647,287.36 is: 970,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,154.72 : 2,168,357.28 = 647,287.36 : x
  2. Step 2: Convert to fraction form
    1,446,154.72/2,168,357.28 = 647,287.36/x
  3. Step 3: Cross multiply
    1,446,154.72x = 2,168,357.28 × 647,287.36
  4. Step 4: Simplify right side
    1,446,154.72x = 1,403,550,259,307.98
  5. Step 5: Solve for x
    x = 1,403,550,259,307.98/1,446,154.72
  6. Step 6: Final answer
    x = 970,539.49

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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.