Home / 793,970.40-1,191,301.20-399,986.40

Finding the Fourth Proportional to 793,970.40, 1,191,301.20 and 399,986.40

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Solution

The fourth proportional to 793,970.40, 1,191,301.20 and 399,986.40 is: 600,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,970.40 : 1,191,301.20 = 399,986.40 : x
  2. Step 2: Convert to fraction form
    793,970.40/1,191,301.20 = 399,986.40/x
  3. Step 3: Cross multiply
    793,970.40x = 1,191,301.20 × 399,986.40
  4. Step 4: Simplify right side
    793,970.40x = 476,504,278,303.68
  5. Step 5: Solve for x
    x = 476,504,278,303.68/793,970.40
  6. Step 6: Final answer
    x = 600,153.71

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Double scale
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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.