Home / 695,624.40-1,043,436.60-341,330.40

Finding the Fourth Proportional to 695,624.40, 1,043,436.60 and 341,330.40

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Solution

The fourth proportional to 695,624.40, 1,043,436.60 and 341,330.40 is: 511,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,624.40 : 1,043,436.60 = 341,330.40 : x
  2. Step 2: Convert to fraction form
    695,624.40/1,043,436.60 = 341,330.40/x
  3. Step 3: Cross multiply
    695,624.40x = 1,043,436.60 × 341,330.40
  4. Step 4: Simplify right side
    695,624.40x = 356,156,632,052.64
  5. Step 5: Solve for x
    x = 356,156,632,052.64/695,624.40
  6. Step 6: Final answer
    x = 511,995.60

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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.