Home / 1,191,391.54-1,644,132.94-647,527.37

Finding the Fourth Proportional to 1,191,391.54, 1,644,132.94 and 647,527.37

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Solution

The fourth proportional to 1,191,391.54, 1,644,132.94 and 647,527.37 is: 893,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,391.54 : 1,644,132.94 = 647,527.37 : x
  2. Step 2: Convert to fraction form
    1,191,391.54/1,644,132.94 = 647,527.37/x
  3. Step 3: Cross multiply
    1,191,391.54x = 1,644,132.94 × 647,527.37
  4. Step 4: Simplify right side
    1,191,391.54x = 1,064,621,068,729.08
  5. Step 5: Solve for x
    x = 1,064,621,068,729.08/1,191,391.54
  6. Step 6: Final answer
    x = 893,594.62

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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.