Home / 794,513.80-1,191,770.70-440,219.80

Finding the Fourth Proportional to 794,513.80, 1,191,770.70 and 440,219.80

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Solution

The fourth proportional to 794,513.80, 1,191,770.70 and 440,219.80 is: 660,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,513.80 : 1,191,770.70 = 440,219.80 : x
  2. Step 2: Convert to fraction form
    794,513.80/1,191,770.70 = 440,219.80/x
  3. Step 3: Cross multiply
    794,513.80x = 1,191,770.70 × 440,219.80
  4. Step 4: Simplify right side
    794,513.80x = 524,641,059,199.86
  5. Step 5: Solve for x
    x = 524,641,059,199.86/794,513.80
  6. Step 6: Final answer
    x = 660,329.70

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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.