Home / 1,191,433.28-1,644,194.58-647,568.92

Finding the Fourth Proportional to 1,191,433.28, 1,644,194.58 and 647,568.92

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Solution

The fourth proportional to 1,191,433.28, 1,644,194.58 and 647,568.92 is: 893,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,433.28 : 1,644,194.58 = 647,568.92 : x
  2. Step 2: Convert to fraction form
    1,191,433.28/1,644,194.58 = 647,568.92/x
  3. Step 3: Cross multiply
    1,191,433.28x = 1,644,194.58 × 647,568.92
  4. Step 4: Simplify right side
    1,191,433.28x = 1,064,729,308,440.45
  5. Step 5: Solve for x
    x = 1,064,729,308,440.45/1,191,433.28
  6. Step 6: Final answer
    x = 893,654.16

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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.