Home / 693,571.40-1,040,357.10-194,935.40

Finding the Fourth Proportional to 693,571.40, 1,040,357.10 and 194,935.40

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Solution

The fourth proportional to 693,571.40, 1,040,357.10 and 194,935.40 is: 292,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,571.40 : 1,040,357.10 = 194,935.40 : x
  2. Step 2: Convert to fraction form
    693,571.40/1,040,357.10 = 194,935.40/x
  3. Step 3: Cross multiply
    693,571.40x = 1,040,357.10 × 194,935.40
  4. Step 4: Simplify right side
    693,571.40x = 202,802,427,431.34
  5. Step 5: Solve for x
    x = 202,802,427,431.34/693,571.40
  6. Step 6: Final answer
    x = 292,403.10

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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.