Home / 1,277,191.68-1,762,358.40-733,351.20

Finding the Fourth Proportional to 1,277,191.68, 1,762,358.40 and 733,351.20

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Solution

The fourth proportional to 1,277,191.68, 1,762,358.40 and 733,351.20 is: 1,011,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,191.68 : 1,762,358.40 = 733,351.20 : x
  2. Step 2: Convert to fraction form
    1,277,191.68/1,762,358.40 = 733,351.20/x
  3. Step 3: Cross multiply
    1,277,191.68x = 1,762,358.40 × 733,351.20
  4. Step 4: Simplify right side
    1,277,191.68x = 1,292,427,647,470.08
  5. Step 5: Solve for x
    x = 1,292,427,647,470.08/1,277,191.68
  6. Step 6: Final answer
    x = 1,011,929.27

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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.