Home / 1,191,684.77-1,644,505.61-647,834.25

Finding the Fourth Proportional to 1,191,684.77, 1,644,505.61 and 647,834.25

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Solution

The fourth proportional to 1,191,684.77, 1,644,505.61 and 647,834.25 is: 894,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,684.77 : 1,644,505.61 = 647,834.25 : x
  2. Step 2: Convert to fraction form
    1,191,684.77/1,644,505.61 = 647,834.25/x
  3. Step 3: Cross multiply
    1,191,684.77x = 1,644,505.61 × 647,834.25
  4. Step 4: Simplify right side
    1,191,684.77x = 1,065,367,058,475.14
  5. Step 5: Solve for x
    x = 1,065,367,058,475.14/1,191,684.77
  6. Step 6: Final answer
    x = 894,000.73

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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.