Home / 1,191,114.40-1,643,734.80-647,250.24

Finding the Fourth Proportional to 1,191,114.40, 1,643,734.80 and 647,250.24

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Solution

The fourth proportional to 1,191,114.40, 1,643,734.80 and 647,250.24 is: 893,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,114.40 : 1,643,734.80 = 647,250.24 : x
  2. Step 2: Convert to fraction form
    1,191,114.40/1,643,734.80 = 647,250.24/x
  3. Step 3: Cross multiply
    1,191,114.40x = 1,643,734.80 × 647,250.24
  4. Step 4: Simplify right side
    1,191,114.40x = 1,063,907,743,796.35
  5. Step 5: Solve for x
    x = 1,063,907,743,796.35/1,191,114.40
  6. Step 6: Final answer
    x = 893,203.66

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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.