Home / 1,129,108.55-1,558,171.44-612,862.85

Finding the Fourth Proportional to 1,129,108.55, 1,558,171.44 and 612,862.85

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Solution

The fourth proportional to 1,129,108.55, 1,558,171.44 and 612,862.85 is: 845,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,108.55 : 1,558,171.44 = 612,862.85 : x
  2. Step 2: Convert to fraction form
    1,129,108.55/1,558,171.44 = 612,862.85/x
  3. Step 3: Cross multiply
    1,129,108.55x = 1,558,171.44 × 612,862.85
  4. Step 4: Simplify right side
    1,129,108.55x = 954,945,381,716.15
  5. Step 5: Solve for x
    x = 954,945,381,716.15/1,129,108.55
  6. Step 6: Final answer
    x = 845,751.62

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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.