Home / 691,895.60-1,037,843.40-193,259.60

Finding the Fourth Proportional to 691,895.60, 1,037,843.40 and 193,259.60

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Solution

The fourth proportional to 691,895.60, 1,037,843.40 and 193,259.60 is: 289,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,895.60 : 1,037,843.40 = 193,259.60 : x
  2. Step 2: Convert to fraction form
    691,895.60/1,037,843.40 = 193,259.60/x
  3. Step 3: Cross multiply
    691,895.60x = 1,037,843.40 × 193,259.60
  4. Step 4: Simplify right side
    691,895.60x = 200,573,200,346.64
  5. Step 5: Solve for x
    x = 200,573,200,346.64/691,895.60
  6. Step 6: Final answer
    x = 289,889.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.