Home / 1,121,874.64-1,548,180.84-612,573.40

Finding the Fourth Proportional to 1,121,874.64, 1,548,180.84 and 612,573.40

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Solution

The fourth proportional to 1,121,874.64, 1,548,180.84 and 612,573.40 is: 845,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,874.64 : 1,548,180.84 = 612,573.40 : x
  2. Step 2: Convert to fraction form
    1,121,874.64/1,548,180.84 = 612,573.40/x
  3. Step 3: Cross multiply
    1,121,874.64x = 1,548,180.84 × 612,573.40
  4. Step 4: Simplify right side
    1,121,874.64x = 948,374,400,973.66
  5. Step 5: Solve for x
    x = 948,374,400,973.66/1,121,874.64
  6. Step 6: Final answer
    x = 845,347.93

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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.