Home / 1,165,065.79-1,607,765.66-641,791.04

Finding the Fourth Proportional to 1,165,065.79, 1,607,765.66 and 641,791.04

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Solution

The fourth proportional to 1,165,065.79, 1,607,765.66 and 641,791.04 is: 885,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,065.79 : 1,607,765.66 = 641,791.04 : x
  2. Step 2: Convert to fraction form
    1,165,065.79/1,607,765.66 = 641,791.04/x
  3. Step 3: Cross multiply
    1,165,065.79x = 1,607,765.66 × 641,791.04
  4. Step 4: Simplify right side
    1,165,065.79x = 1,031,849,595,007.69
  5. Step 5: Solve for x
    x = 1,031,849,595,007.69/1,165,065.79
  6. Step 6: Final answer
    x = 885,657.79

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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.