Home / 1,118,179.20-1,543,089.16-608,883.60

Finding the Fourth Proportional to 1,118,179.20, 1,543,089.16 and 608,883.60

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Solution

The fourth proportional to 1,118,179.20, 1,543,089.16 and 608,883.60 is: 840,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,179.20 : 1,543,089.16 = 608,883.60 : x
  2. Step 2: Convert to fraction form
    1,118,179.20/1,543,089.16 = 608,883.60/x
  3. Step 3: Cross multiply
    1,118,179.20x = 1,543,089.16 × 608,883.60
  4. Step 4: Simplify right side
    1,118,179.20x = 939,561,682,861.78
  5. Step 5: Solve for x
    x = 939,561,682,861.78/1,118,179.20
  6. Step 6: Final answer
    x = 840,260.38

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Double scale
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Similar ratio
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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.