Home / 794,517.80-1,191,776.70-395,220.20

Finding the Fourth Proportional to 794,517.80, 1,191,776.70 and 395,220.20

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Solution

The fourth proportional to 794,517.80, 1,191,776.70 and 395,220.20 is: 592,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,517.80 : 1,191,776.70 = 395,220.20 : x
  2. Step 2: Convert to fraction form
    794,517.80/1,191,776.70 = 395,220.20/x
  3. Step 3: Cross multiply
    794,517.80x = 1,191,776.70 × 395,220.20
  4. Step 4: Simplify right side
    794,517.80x = 471,014,225,729.34
  5. Step 5: Solve for x
    x = 471,014,225,729.34/794,517.80
  6. Step 6: Final answer
    x = 592,830.30

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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.