Home / 1,122,085.52-1,548,483.72-612,787.88

Finding the Fourth Proportional to 1,122,085.52, 1,548,483.72 and 612,787.88

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Solution

The fourth proportional to 1,122,085.52, 1,548,483.72 and 612,787.88 is: 845,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,085.52 : 1,548,483.72 = 612,787.88 : x
  2. Step 2: Convert to fraction form
    1,122,085.52/1,548,483.72 = 612,787.88/x
  3. Step 3: Cross multiply
    1,122,085.52x = 1,548,483.72 × 612,787.88
  4. Step 4: Simplify right side
    1,122,085.52x = 948,892,055,993.31
  5. Step 5: Solve for x
    x = 948,892,055,993.31/1,122,085.52
  6. Step 6: Final answer
    x = 845,650.39

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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.