Home / 1,121,801.96-1,548,074.98-612,502.76

Finding the Fourth Proportional to 1,121,801.96, 1,548,074.98 and 612,502.76

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Solution

The fourth proportional to 1,121,801.96, 1,548,074.98 and 612,502.76 is: 845,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,801.96 : 1,548,074.98 = 612,502.76 : x
  2. Step 2: Convert to fraction form
    1,121,801.96/1,548,074.98 = 612,502.76/x
  3. Step 3: Cross multiply
    1,121,801.96x = 1,548,074.98 × 612,502.76
  4. Step 4: Simplify right side
    1,121,801.96x = 948,200,197,936.95
  5. Step 5: Solve for x
    x = 948,200,197,936.95/1,121,801.96
  6. Step 6: Final answer
    x = 845,247.41

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Double scale
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1.5x scale

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.