Home / 1,191,774.63-1,644,647.58-647,909.04

Finding the Fourth Proportional to 1,191,774.63, 1,644,647.58 and 647,909.04

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Solution

The fourth proportional to 1,191,774.63, 1,644,647.58 and 647,909.04 is: 894,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,774.63 : 1,644,647.58 = 647,909.04 : x
  2. Step 2: Convert to fraction form
    1,191,774.63/1,644,647.58 = 647,909.04/x
  3. Step 3: Cross multiply
    1,191,774.63x = 1,644,647.58 × 647,909.04
  4. Step 4: Simplify right side
    1,191,774.63x = 1,065,582,034,696.12
  5. Step 5: Solve for x
    x = 1,065,582,034,696.12/1,191,774.63
  6. Step 6: Final answer
    x = 894,113.71

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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.