Home / 793,979.40-1,191,314.70-399,995.40

Finding the Fourth Proportional to 793,979.40, 1,191,314.70 and 399,995.40

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Solution

The fourth proportional to 793,979.40, 1,191,314.70 and 399,995.40 is: 600,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,979.40 : 1,191,314.70 = 399,995.40 : x
  2. Step 2: Convert to fraction form
    793,979.40/1,191,314.70 = 399,995.40/x
  3. Step 3: Cross multiply
    793,979.40x = 1,191,314.70 × 399,995.40
  4. Step 4: Simplify right side
    793,979.40x = 476,520,399,952.38
  5. Step 5: Solve for x
    x = 476,520,399,952.38/793,979.40
  6. Step 6: Final answer
    x = 600,167.21

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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.