Home / 1,308,320.76-1,963,242.48-550,107.30

Finding the Fourth Proportional to 1,308,320.76, 1,963,242.48 and 550,107.30

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Solution

The fourth proportional to 1,308,320.76, 1,963,242.48 and 550,107.30 is: 825,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,320.76 : 1,963,242.48 = 550,107.30 : x
  2. Step 2: Convert to fraction form
    1,308,320.76/1,963,242.48 = 550,107.30/x
  3. Step 3: Cross multiply
    1,308,320.76x = 1,963,242.48 × 550,107.30
  4. Step 4: Simplify right side
    1,308,320.76x = 1,079,994,019,918.10
  5. Step 5: Solve for x
    x = 1,079,994,019,918.10/1,308,320.76
  6. Step 6: Final answer
    x = 825,481.07

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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.