Home / 1,102,849.79-1,654,555.34-647,825.81

Finding the Fourth Proportional to 1,102,849.79, 1,654,555.34 and 647,825.81

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Solution

The fourth proportional to 1,102,849.79, 1,654,555.34 and 647,825.81 is: 971,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,849.79 : 1,654,555.34 = 647,825.81 : x
  2. Step 2: Convert to fraction form
    1,102,849.79/1,654,555.34 = 647,825.81/x
  3. Step 3: Cross multiply
    1,102,849.79x = 1,654,555.34 × 647,825.81
  4. Step 4: Simplify right side
    1,102,849.79x = 1,071,863,650,086.20
  5. Step 5: Solve for x
    x = 1,071,863,650,086.20/1,102,849.79
  6. Step 6: Final answer
    x = 971,903.57

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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.