Home / 1,191,813.48-1,644,735.11-647,985.96

Finding the Fourth Proportional to 1,191,813.48, 1,644,735.11 and 647,985.96

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Solution

The fourth proportional to 1,191,813.48, 1,644,735.11 and 647,985.96 is: 894,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,813.48 : 1,644,735.11 = 647,985.96 : x
  2. Step 2: Convert to fraction form
    1,191,813.48/1,644,735.11 = 647,985.96/x
  3. Step 3: Cross multiply
    1,191,813.48x = 1,644,735.11 × 647,985.96
  4. Step 4: Simplify right side
    1,191,813.48x = 1,065,765,255,959.13
  5. Step 5: Solve for x
    x = 1,065,765,255,959.13/1,191,813.48
  6. Step 6: Final answer
    x = 894,238.30

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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.